The antonyms for the word "certain" include uncertain, unsure, doubtful, questionable, ambiguous, indefinite, and unpredictable. Uncertain refers to anything that is uncertain or not clearly defined. Unsure is the opposite of sure, meaning anything that is not certain or confident. Doubtful means something that is not sure or questionable, it could happen or not. Ambiguous refers to anything that is unclear or has multiple meanings or interpretations. Indefinite is anything with no clear or specific ending, while unpredictable implies that an event is not easily anticipated or foreseen. The use of these antonyms will provide a clear understanding of how the opposite of the word "certain" describes varying degrees of lack of certainty.

What are the antonyms for Certain?

adj.
• able or prone to err
- fallible
• absurd
- campier
- campiest
- campy
- fooling around
- for grins
- gagged up
- idiotic
- in congruous
- in-congruous
- jokey
- jokier
- jokiest
- laughable
- ludicrous
- more joshing
- most joshing
- off wall
- un reasonable
- un-reasonable
• all
- uncertain
• alleged
- de scribed
- de-scribed
- more averred
- more described
- more purported
- most averred
- most described
- most purported
- pre tended
- pre-tended
- so called
- socalled
• ambiguous
- Multivocal
- clear as dishwater
- enigmatical
- in explicit
- in-explicit
- more multivocal
- more polysemous
- most multivocal
- multi vocal
- multi-vocal
- polysemous
- un-intelligible
• ambiguous, vague
- indefinite
• ambivalent
- more clashing
- more fluctuating
- most clashing
- most fluctuating
- most opposed
• anxious, fearful
- apprehensive
• appearing confused or curious
- quizzical
• apprehensive
- Butterflies
- biting nails
- dis quieted
- dis-quieted
- feel bones
- feel in bones
- fore boding
- fore-boding
- get vibes
- have a hunch
- have funny feeling
- have stage fright
- in a cold sweat
- in a dither
- in cold sweat
- in dither
- in sweat
- jellyfish
- lily livered
- lilylivered
- mis trustful
- mis-trustful
- more butterflies
- more disquieted
- more foreboding
- more jellyfish
- more scaredy cat
- more scaredy-cat
- more scaredycat
- most butterflies
- most disquieted
- most foreboding
- most jellyfish
- most scaredy cat
- most scaredy-cat
- most scaredycat
- running scared
- scaredy cat
- scaredy-cat
- up tight
- up-tight
• approximate
- rough
• arguable
- Sub Judice
- able hold water
- able to hold water
- assertable
- defendable
- maintainable
- moot
- more defendable
- more maintainable
- more sustainable
- most defendable
- most maintainable
- most sustainable
- open to question
• asserted, often doubtful
- alleged
• at issue
- controversial
• at the mercy of; answerable
- subject
• borderline
- more unclassifiable
- most unclassifiable
- un classifiable
- un clearer
- un-classifiable
- un-clearer
- unclassifiable
• bothered, upset
- unsettled
• careful, cautious
- wary
• cautious
- all ears
- fore thoughtful
- fore-thoughtful
- forethoughtful
- hedging one bets
- hedging one's bets
- hedging ones bets
- keeping on one toes
- keeping on one's toes
- keeping on ones toes
- keeping on toes
- keeping one toes
- keeping ones toes
- keeping toes
- more forethoughtful
- more pussyfoot
- most forethoughtful
- most pussyfoot
- on lookout
- on the lookout
- playing cool
- playing it cool
- taking easy
- taking it easy
- thinking twice
- walking eggs
- walking on eggs
- watching ones step
- watching step
- with eyes peeled
- with one eyes peeled
- with ones eyes peeled
• chance
- fluky
• chancy
- Fluctuant
- in calculable
- in-calculable
- more fluctuant
- most fluctuant
- un soundest
• changeable
- Permutable
- changeful
- commutative
- flighty
- in-constant
- mercurial
- more changeful
- more commutative
- more permutable
- more reversible
- more revocable
- more shifting
- more transformable
- more transitional
- more vagrant
- most changeful
- most commutative
- most permutable
- most reversible
- most revocable
- most shifting
- most transformable
- most transitional
- most vagrant
- mutable
- re vocable
- re-vocable
- reversible
- revocable
- shifting
- trans formable
- trans-formable
- transformable
- transitional
- un-steady
- unpredictable
- unsteadiest
• changeful
- changing
• changing
- more altering
- more alternating
- more developing
- more modifying
- most altering
- most modifying
• complicated, difficult
- tricky
• conditional
- Codicillary
- granted certain terms
- most codicillary
- not absolute
- with grain of salt
- with grain salt
- with strings attached
• conditional, experimental
- tentative
• conditional; possible
- contingent
• confident
- doubtful
- doubting
- dubious
- faltering
- hesitant
- questionable
- unconfident
- undecided
- unfixed
- unreliable
- unsure
• conflicting
- ambivalent
• confused
- perplexed
- puzzled
• confused, obscure
- nebulous
• conjectural
- guesstimated
- hypothetical
- more figured
- more guessing
- more guesstimated
- more surmised
- more surmising
- most figured
- most guessing
- most guesstimated
- most surmised
- most surmising
- on a hunch
- on a long shot
- on hunch
- on long shot
- putative
• contingent
- controlled by
- de pendent
- de-pendent
- more probably
- more unanticipated
- most probably
- most unanticipated
- un anticipated
- un expected
- un foreseeable
- un foreseen
- un-anticipated
- un-expected
- un-foreseeable
- un-foreseen
- unanticipated
• contradictory, irregular
- inconsistent
• controversial
- Controvertible
- Doubtable
- contestable
- debatable
- debateable
- in dispute
- more contended
- more contestable
- more controvertible
- more debateable
- more disputed
- most contended
- most controvertible
- most debateable
- most doubtable
- open discussion
- open to discussion
- under discussion
• critical
- Exceptive
- all-important
- allimportant
- de terminative
- de-terminative
- high-priority
- highpriority
- more all important
- more exceptive
- more highpriority
- most all important
- most all-important
- most allimportant
- most exceptive
- most high priority
- most high-priority
- most highpriority
• cryptic
- in comprehensible
- in explicable
- in-explicable
- more delphian
- more delphic
- more uninformative
- most delphian
- most delphic
- most uninformative
- un fathomable
- un informative
- un-informative
- uninformative
• cut open
- torn
• dangerous
- dangersome
- ex posed
- ex-posed
- more dangersome
- more dynamite
- most dangersome
- on collision course
- perilous
- treacherous
- unsafe
• dangerous, risky
- chancy
• dangerous, unpredictable
- hazardous
• debatable
- between rock and hard place
- between rock hard place
- between sixes and sevens
- between sixes sevens
- betwixt and between
- betwixt between
- bone contention
- jury out
- jury's out
- jurys out
- most contestable
- the jury out
- the jury's out
- the jurys out
- touch go
- up for discussion
• deceptive
- delusive
• delusive
- mis leading
- mis-leading
- more deceiving
- more deluding
- most apparent
- most beguiling
- most deceiving
- most deluding
- seeming
- visionary
• dependent
- conditional
• disbelieving
- distrustful
• disbelieving, leery
- skeptical
• distrustful
- been hit before
- dis trustful
- dis-trustful
- suspicious
- un-easy
- uneasy
• dizzy
- woozy
• doubtful
- dis composed
- dis concerted
- dis reputable
- dis-composed
- dis-concerted
- dis-reputable
- far fetched
- impugnable
- in a quandary
- in clouds
- in dilemma
- in quandary
- more agnostic
- more baffled
- more discomposed
- more doubtable
- more faltering
- more flustered
- more impugnable
- more questioning
- more unconfirmed
- more unconvinced
- most agnostic
- most baffled
- most discomposed
- most faltering
- most flustered
- most impugnable
- most questioning
- most unconfirmed
- most unconvinced
- not following
- of two minds
- on thin ice
- un confirmed
- un convinced
- un-confirmed
- un-convinced
- unconfirmed
- unconvinced
- unstable
- up for grabs
- without belief
• doubtful, uncertain
- equivocal
• dubious
- Trustless
- dis inclined
- dis-inclined
- fly by night
- more trustless
- more unassured
- most trustless
- most unassured
- un assured
- un dependable
- un likelier
- un likeliest
- un likely
- un trustier
- un trustiest
- un trustworthy
- un trusty
- un-assured
- un-dependable
- un-likelier
- un-likeliest
- un-likely
- un-trustier
- un-trustiest
- un-trustworthy
- un-trusty
- unassured
- untrustier
- untrustiest
- untrusty
• easily offended
- touchy
• equivocal
- Amphibological
- clear as mud
- more amphibological
- more unexplicit
- most amphibological
- most unexplicit
- muzzier
- muzziest
- muzzy
- un explicit
- un intelligible
- un-explicit
- unexplicit
- with mixed feelings
• erratic
- Vagarious
- changeable
- directionless
- more directionless
- more oddball
- more undirected
- more vagarious
- most directionless
- most undirected
- most vagarious
- un directed
- un usual
- un-directed
- un-natural
- un-usual
- undirected
• explosive, changeable
- volatile
• faint
- far off
- ill defined
- illdefined
- in audible
- in-audible
- low pitched
- lowpitched
- more aside
- more bated
- more bleached
- more blurred
- more deadened
- more muted
- more muttering
- more piano
- more stifled
- most aside
- most bated
- most bleached
- most deadened
- most murmuring
- most muted
- most muttering
- most piano
- most softened
- most stifled
- out earshot
- out of earshot
- re-mote
• fallible
- Errable
- in question
- more errable
- most errable
• fictitious
- cooked-up
- cookedup
- dis honest
- dis-honest
- figmental
- hyped up
- in vented
- in-vented
- makebelieve
- more concocted
- more cooked up
- more cooked-up
- more cookedup
- more created
- more fabricated
- more faked
- more figmental
- more trumped up
- more trumped-up
- more trumpedup
- most concocted
- most cooked up
- most cooked-up
- most cookedup
- most created
- most fabricated
- most faked
- most figmental
- most trumped up
- most trumped-up
- most trumpedup
- trumped-up
- trumpedup
- un-real
• fluky
- co incidental
- co-incidental
• fuzzy
- mis tier
- mis-tier
- more unfocused
- most unfocused
- un focused
- un-focused
• having little effect on senses
- faint
• hazardous, troubling
- dangerous
• hazy
- Fuliginous
- Fumy
- Tranced
- crepuscular
- fumier
- fumiest
- hazy
- more bleared
- more crepuscular
- more fuliginous
- more obfuscated
- more obfuscous
- more tranced
- most bleared
- most crepuscular
- most fuliginous
- most obfuscated
- most obfuscous
- most tranced
- over cast
- over-cast
- rimier
- rimiest
• hesitant
- Half-hearted
- de laying
- de-laying
- lacking confidence
- more dawdling
- more uneager
- most dawdling
- most uneager
- un eager
- un willing
- un-eager
- un-willing
- uneager
• hypothetical
- Conjecturable
- hypo thetical
- hypo-thetical
- more conjecturable
- more postulated
- more presupposed
- more pretending
- more refutable
- more stochastic
- most conjecturable
- most postulated
- most presupposed
- most pretending
- most refutable
- most stochastic
- pre supposed
- pre tending
- pre-supposed
- pre-tending
- refutable
- theoretical
• iffy
- iffy
- in lap gods
- in lap of gods
• illusory/illusive
- Semblant
- blue sky
- blue-sky
- bluesky
- mis taken
- mis-taken
- more blue sky
- more blue-sky
- more bluesky
- more semblant
- most blue sky
- most blue-sky
- most bluesky
- most illusory
- most semblant
- un true
- un truer
- un truest
- un-true
- un-truer
- un-truest
• inconclusive
- in complete
- in conclusive
- in-complete
- in-conclusive
- incomplete
- more unfateful
- most unfateful
- un eventful
- un fateful
- un finished
- un satisfactory
- un-eventful
- un-fateful
- un-finished
- un-satisfactory
- unfateful
• inconsistent
- at odds
- at variance
- dis sonant
- dis-sonant
- in compatible
- in conflict
- in congruent
- in consistent
- in-coherent
- in-compatible
- in-congruent
- in-consistent
- out of step
- out step
• incredulous
- SHOW-ME
- dis believing
- dis-believing
- in credulous
- in-credulous
- more show me
- more show-me
- more showme
- most show me
- most show-me
- most showme
- show me
- showme
- un satisfied
- un-satisfied
• indecisive
- astraddle
- hemming and hawing
- hemming hawing
- hot and cold
- hot cold
- in decisive
- in-decisive
- more astraddle
- more waffling
- more weak kneed
- more weak-kneed
- more weakkneed
- most astraddle
- most waffling
- most weak kneed
- most weak-kneed
- most weakkneed
- on fence
- un determined
- weak kneed
- weak-kneed
- weakkneed
- wishy washy
- wishy-washy
- wishywashy
• indefinite
- imprecise
- in definite
- in determinable
- in exhaustible
- in finite
- in numerable
- in tangible
- in-definite
- in-determinable
- in-finite
- in-numerable
- in-tangible
- indeterminable
- innumerable
- more indeterminable
- more unfixed
- more unspecific
- most imprecise
- most indeterminable
- most unfixed
- most unspecific
- un defined
- un fixed
- un known
- un specific
- un-defined
- un-fixed
- un-known
- un-limited
- un-specific
- unspecific
• indeterminate
- borderless
- in determinate
- in-determinate
- more borderless
- more unstipulated
- most borderless
- most unstipulated
- un specified
- un stipulated
- un-specified
- un-stipulated
- unspecified
- unstipulated
• indifferent, unenthusiastic
- lukewarm
• indistinct
- in conspicuous
- in discernible
- in distinct
- in distinguishable
- in-conspicuous
- in-distinct
- in-distinguishable
- most blurred
- out focus
- out of focus
- un heard
- un-heard
- unheard
• inexact
- borderline
• insecure
- Unpoised
- hanging by thread
- in secure
- in securer
- in securest
- in substantial
- in-secure
- in-securer
- in-securest
- in-substantial
- more choked
- more rootless
- more unconfident
- more unpoised
- more unshielded
- most choked
- most rootless
- most unconfident
- most unpoised
- most unshielded
- open attack
- open to attack
- rootless
- un confident
- un guarded
- un poised
- un shielded
- un-confident
- un-guarded
- un-poised
- un-protected
- un-shielded
- unshielded
• leery
- on one guard
- on ones guard
• lukewarm
- half hearted
- un committed
- un concerned
- un interested
- un responsive
- un-committed
- un-concerned
- un-interested
- un-responsive
• meaningless
- Purportless
- Unpurposed
- doesnt cut it
- doublespeak
- doubletalk
- good for nothing
- in consequential
- in significant
- in-consequential
- more double-talk
- more doublespeak
- more good for nothing
- more nothing
- more purportless
- more unmeaning
- more unpurposed
- most double talk
- most double-talk
- most doublespeak
- most doubletalk
- most good for nothing
- most good-for-nothing
- most nothing
- most purportless
- most unmeaning
- most unpurposed
- un meaning
- un-important
- un-meaning
- un-purposed
- unmeaning
• mercurial
- YOYO
- bubbleheaded
- flipper
- flippest
- more bubbleheaded
- more quicksilver
- more short fuse
- more short-fuse
- more yo yo
- more yo-yo
- more yoyo
- most bubbleheaded
- most quicksilver
- most short fuse
- most short-fuse
- most shortfuse
- most yo yo
- most yo-yo
- quicksilver
- short-fuse
- shortfuse
- yo yo
- yo-yo
• moot
- at issue
- open debate
- open to debate
• nervous
- dis tressed
- dis-tressed
- ex citable
- ex-citable
- more ruffled
- more spooked
- most ruffled
- most spooked
- most unrestful
- over-wrought
- un restful
- un strung
- un-restful
- unrestful
- up set
- up-set
• noncommittal
- Middle-ground
- buttoned up
- clammed up
- hush hush
- hushhush
- in communicable
- in-communicable
- middleground
- more even steven
- more even-steven
- more middle ground
- more middle-ground
- more on the fence
- more on-the-fence
- more temporizing
- more unrevealing
- more zipped
- most even-steven
- most evensteven
- most middle ground
- most middle-ground
- most middleground
- most on the fence
- most on-the-fence
- most temporizing
- most unrevealing
- most zipped
- non committal
- non-committal
- on-the-fence
- re served
- re strained
- re-served
- re-strained
- un-revealing
- unrevealing
• not answered
- unanswered
• not clear
- unclear
• not convincing
- unconvincing
• not definite or clear
- vague
• not determined
- undetermined
• not strong
- weak
• not well; flimsy
- unsound
• noun
- Contradictable
- academic
- adjustable
- answerable
- apocryphal
- avoidable
- baseless
- careless
- counterfeit
- diffident
- disputable
- disputed
- evadable
- exploded
- fabulous
- fictitious
- improbable
- indecisive
- known
- named
- open-ended
- preventable
- specified
- speculative
- spurious
- unassuming
- unauthorized
- unlikely
- vacillating
- wavering
• obscure, ambiguous
- indistinct
• opaque
- Imperceptive
- Nubilous
- more imperceptive
- more nubilous
- most imperceptive
• open
- Patulous
- Ringent
- Securable
- Undissembled
- Unshut
- be had
- dehiscent
- dis closed
- dis interested
- dis-closed
- dis-interested
- ex tended
- ex tensive
- ex-tended
- getable
- in nocent
- in-nocent
- lay it on line
- lay it on the line
- lay it the line
- lay line
- lay on line
- lay on the line
- made passable
- more agape
- more dehiscent
- more disclosed
- more emptied
- more expanded
- more getable
- more patulous
- more peeled
- more rent
- more ringent
- more securable
- more unbarred
- more unbolted
- more unburdened
- more uncluttered
- more undisguised
- more unfolded
- more unfurled
- more unplugged
- more unshut
- more up front
- more up-front
- more upfront
- most agape
- most dehiscent
- most disclosed
- most emptied
- most expanded
- most getable
- most nondiscriminatory
- most patulous
- most peeled
- most rent
- most revealed
- most ringent
- most unbolted
- most unburdened
- most uncluttered
- most undisguised
- most undissembled
- most unfolded
- most unfurled
- most unplugged
- most unsealed
- most unshut
- most unstopped
- most up front
- most up-front
- most upfront
- most yawning
- non discriminatory
- nondiscriminatory
- not posted
- on deck
- on level
- open and shut
- opendoor
- re moved
- spread out
- trans parent
- trans-parent
- un barred
- un biased
- un bolted
- un burdened
- un cluttered
- un concealed
- un conditional
- un covered
- un disguised
- un dissembled
- un folded
- un furled
- un impeded
- un locked
- un obstructed
- un occupied
- un prejudiced
- un qualified
- un restricted
- un sealed
- un shut
- un stopped
- un-barred
- un-blocked
- un-burdened
- un-cluttered
- un-concealed
- un-conditional
- un-disguised
- un-dissembled
- un-folded
- un-furled
- un-impeded
- un-locked
- un-obstructed
- un-occupied
- un-plugged
- un-prejudiced
- un-qualified
- un-reserved
- un-restricted
- un-shut
- un-stopped
- unbolted
- unburdened
- uncluttered
- undisguised
- unstopped
- up-front
- upfront
- well known
- wellknown
- yet be decided
- yet to be decided
• open to doubt
- problematic
• out of focus
- fuzzy
• outside
- alfresco
- extra-mural
- extramural
- more alfresco
- more extramural
- more open air
- more open-air
- most open air
- most open-air
- most openair
- open-air
- openair
- out door
- out side
- out-door
- out-side
- outer-most
- outside
- sur face
- sur-face
• perilous
- playing with fire
• precarious
- hanging by a thread
- most dynamite
- out a limb
- out limb
- out on limb
- pre carious
- pre-carious
• provisional
- more provisionary
- most provisionary
- pro visional
- pro visionary
- pro-visional
- pro-visionary
- provisional
- provisionary
- rough and ready
- stopgap
- tester
- testest
• puzzled
- at a loss
- at loss
- at sea
- be wildered
- be-wildered
- bollixed
- clueless
- come apart
- come unzipped
- in a fog
- in fog
- mind blown
- mind-blown
- mindblown
- more bollixed
- more clueless
- more floored
- more mind blown
- more mind-blown
- more mindblown
- more mystified
- more nonplussed
- more rattled
- more unglued
- most bollixed
- most clueless
- most floored
- most mind blown
- most mind-blown
- most mindblown
- most mystified
- most nonplussed
- most rattled
- most unglued
- mucked up
- mystified
- shooker
- shookest
- un glued
- un-glued
- unglued
- without a clue
- without clue
• questionable
- hard believe
- hard to believe
- more paradoxical
- more unproven
- most paradoxical
- most unproven
- open doubt
- open to doubt
- paradoxical
- un proven
- un-proven
- under advisement
- under examination
- unproven
• questionable, unproven
- unsubstantiated
• quizzical
- aporetic
- in quiring
- in-quiring
- more aporetic
- more bantering
- most aporetic
- most bantering
- un believing
- un-believing
• referring to a specifically known amount
- common
- general
- inexact
- ordinary
- unimportant
- usual
• reluctant
- dis heartened
- dis-heartened
- in disposed
- in voluntary
- in-disposed
- in-voluntary
- more demurring
- more disheartened
- more grudging
- most demurring
- most disheartened
- most grudging
- most laggard
• reported
- ex pressed
- made known
- more believed
- more broadcast
- more communicated
- more divulged
- more expressed
- more narrated
- more recited
- more recounted
- most believed
- most broadcast
- most communicated
- most divulged
- most expressed
- most narrated
- most proclaimed
- most recited
- most recounted
- pro claimed
- pro-claimed
- re cited
- re corded
- re counted
- re ported
- re-cited
- re-corded
- re-counted
- re-ported
- reported
• risky
- dicey
- end angered
- fraught with danger
- going for broke
- not a prayer
- not prayer
- off deep end
- off the deep end
- on slippery ground
- on spot
- on the spot
- risky
- touch-and-go
- wide open
- wideopen
• rough
- Unprecise
- more unprecise
- most unprecise
- un precise
• secret; obscure in meaning
- cryptic
• shady
- dis graceful
- dis honorable
- dis-graceful
- dis-honorable
- in famous
- in glorious
- in-glorious
- more unrespectable
- most unrespectable
- un ethical
- un respectable
- un scrupulous
- un-ethical
- un-respectable
- un-scrupulous
- under handed
- under-handed
- unrespectable
• shaky
- all aquiver
- aquake
- ashake
- in firm
- in firmer
- in firmest
- in-firmer
- in-firmest
- jellylike
- jerry built
- jerrybuilt
- more ashake
- more jellylike
- more quaking
- more tremorous
- more unsupported
- most ashake
- most jellylike
- most quaking
- most tremorous
- most unsupported
- not dependable
- not reliable
- not set
- shaky
- tremorous
- un firm
- un firmer
- un firmest
- un supported
- un-firm
- un-firmer
- un-firmest
- un-supported
- unfirm
- unfirmer
- unfirmest
- unsupported
- wobbly
• skeptical
- freethinking
- more dissenting
- most dissenting
- most freethinking
• slippery
- glace
- like skating rink
- more glace
- most glace
- two faced
- twofaced
• smooth, slick
- slippery
• speculative
- conjectural
• subject
- Substract
- at feet
- at one feet
- at one's feet
- at ones feet
- bound by
- dis posed
- dis-posed
- in danger of
- more enslaved
- more satellite
- more subaltern
- more subjugated
- more substract
- most enslaved
- most subaltern
- most subjugated
- most substract
- most under
- pro-nest
- sub altern
- sub best
- sub missive
- sub ordinate
- sub-altern
- sub-best
- sub-ordinate
- subbest
• suspicious
- greeneyed
- in doubt
- leery
- most suspecting
- not born yesterday lookout
- not born yesterday on lookout
- not born yesterday on the lookout
- not born yesterday the lookout
- not kosher
- out line
- out of line
- re aching
- re-aching
- rings untrue
- un common
- un commoner
- un commonest
- un-common
- un-commoner
- without faith
- won't wash
- wont wash
• tenable
- arguable
• tentative
- more probationary
- most probationary
- not final
- not settled
- open for consideration
- probationary
- subject change
• tenuous
- more attenuate
- more attenuated
- most attenuate
- most attenuated
- reedier
- reedy
• theoretical
- Postulated
- as a premise
- as premise
- formalistic
- ideational
- ideological
- in abstract
- in the abstract
- in theory
- meta physical
- meta-physical
- more codified
- more formalistic
- more formularized
- more idealized
- more ideational
- more ideological
- more instanced
- more presumed
- most codified
- most formalistic
- most formularized
- most ideational
- most ideological
- most instanced
- most presumed
- un earthlier
- un earthliest
- un earthly
- un proved
- un-earthlier
- un-earthliest
- un-earthly
- un-proved
• torn
- fractured
- more cleaved
- more gashed
- more lacerated
- more ripped
- more ruptured
- more severed
- more slashed
- more slit
- more snapped
- more split
- most burst
- most cleaved
- most fractured
- most gashed
- most lacerated
- most mangled
- most ripped
- most ruptured
- most severed
- most slashed
- most sliced
- most slit
- most split
- most wrenched
• touch-and-go
- touch and go
• touchy
- Perturbable
- bad tempered
- badtempered
- bundle nerves
- bundle of nerves
- hyper-sensitive
- hypersensitive
- more hypersensitive
- more oversensitive
- more perturbable
- more pettish
- most hypersensitive
- most oversensitive
- most perturbable
- most pettish
- most splenetic
- pettish
- quicktempered
- thin skinned
- thinskinned
• treacherous
- more dissembled
- most dissembled
• tricky, doubtful
- precarious
• troubled
- be set
- be-set
- dis pleased
- dis-pleased
- ex acerbated
- ex-acerbated
- in a tizzy
- in tizzy
- more aggravated
- more beset
- more chagrined
- more exacerbated
- more harrowed
- more inconvenienced
- more mortified
- more pestered
- more plagued
- more riled
- more tortured
- most aggravated
- most chagrined
- most exacerbated
- most harrowed
- most inconvenienced
- most irked
- most mortified
- most pestered
- most plagued
- most riled
- most tortured
- worried stiff
• unanswered
- Unrefuted
- more ignored
- more tabled
- more unchallenged
- more unquestioned
- more unreciprocated
- more unrefuted
- most disputed
- most ignored
- most tabled
- most unchallenged
- most unquestioned
- most unreciprocated
- most unrefuted
- most unreturned
- not explained
- not responded to
- un answered
- un challenged
- un noticed
- un questioned
- un reciprocated
- un refuted
- un requited
- un returned
- un-answered
- un-challenged
- un-noticed
- un-questioned
- un-reciprocated
- un-refuted
- un-returned
- without reply
• unbelieving
- incredulous
• uncertain, vague
- indeterminate
• uncertain, worried
- insecure
• uncertain; not settled
- unresolved
• unclear
- un clear
- un clearest
- un-clear
- un-clearest
• unconvincing
- un believable
- un convincing
- un-believable
- un-convincing
• undecided
- dithering
- in middle
- in the middle
- more dithering
- most dithering
- pendent
- running hot and cold
- running hot cold
- un decided
- un-decided
• undetermined
- un-determined
• undoubtable, valid
- dishonest
- doubted
- false
- invalid
- obscure
- unreal
• uneasy
- all nerves
- anguished
- dis mayed
- dis-mayed
- in turmoil
- more anguished
- more dismayed
- more harassed
- more tormented
- more vexed
- most anguished
- most dismayed
- most harassed
- most tormented
- most vexed
- on qui vive
- on the qui vive
- palpitant
- un easier
- un easiest
- un easy
- un quiet
- un-easier
- un-easiest
- un-quiet
- un-quietest
• unenthusiastic, unwilling
- reluctant
• unhealthy
- de generate
- de grading
- de moralizing
- de-generate
- de-grading
- de-moralizing
- in salubrious
- in-salubrious
- un desirable
- un healthful
- un healthier
- un healthiest
- un healthy
- un-desirable
- un-healthful
- un-healthiest
- un-healthy
- un-sanitary
- un-wholesome
• unpredictable
- from left field
- un predictable
- un-predictable
• unpredictable; wandering
- erratic
• unreliable
- in accurate
- un faithful
- un reliable
- un-faithful
- un-reliable
- under hand
- under-hand
• unresolved
- more pussyfooting
- more unconcluded
- more unsolved
- most pussyfooting
- most unconcluded
- most unsolved
- un concluded
- un resolved
- un solved
- un-concluded
- un-resolved
- un-solved
- unconcluded
- unsolved
• unsafe
- ex plosive
- ex-plosive
- on a limb
- on limb
- un safe
- un safer
- un safest
- un-safe
- un-safer
- un-safest
• unsettled
- dis orderly
- dis-orderly
- in arrears
- more unnerved
- more unpeaceful
- most unnerved
- most unpeaceful
- out standing
- out-standing
- over due
- over-due
- un nerved
- un paid
- un peaceful
- un settled
- un-balanced
- un-paid
- un-peaceful
- un-settled
- unpaid
- unpeaceful
• unsound
- de ranged
- de-ranged
- dis eased
- dis-eased
- flawed
- in correct
- in poor health
- in sane
- in saner
- in sanest
- in valid
- in-sane
- in-saner
- in-valid
- more unbacked
- most unbacked
- un backed
- un hinged
- un sound
- un sounder
- un substantial
- un-backed
- un-hinged
- un-sound
- un-sounder
- un-soundest
- un-substantial
- unbacked
• unstable
- more weaving
- most weaving
- not fixed
- un stable
- un stabler
- un stablest
- un-stable
- un-stabler
- un-stablest
- wiggliest
- wiggly
• unsteady
- Wabbly
- tippier
- tippiest
- tippy
- un steadier
- un steadiest
- un steady
- un-steadier
- un-steadiest
- wabblier
- wabbliest
• unsubstantiated
- more uncorroborated
- most uncorroborated
- un corroborated
- un substantiated
- un-corroborated
- un-substantiated
- uncorroborated
• unsure
- un sure
- un-sure
- wimpiest
- wimpy
• unwilling to decide
- noncommittal
• up in the air
- inconclusive
- up air
- up in air
- up the air
• vague
- be wildering
- be-wildering
- mis understood
- more bewildering
- more generalized
- most bewildering
- most generalized
• very bad in effect on well-being
- unhealthy
• very uncertain
- up in the air
• volatile
- short lived
- shortlived
• wary
- handling with kid gloves
- more unwasteful
- most unwasteful
- un wasteful
- un-wasteful
- unwasteful
- wide awake
- wideawake
• weak
- faint hearted
- faint-hearted
- forceless
- in effectual
- in-effectual
- laid back
- laidback
- more faint hearted
- more faint-hearted
- more forceless
- more impuissant
- more zero
- most faint hearted
- most forceless
- most impuissant
- most zero
- out gas
- out of gas
• weak, thin
- tenuous
• wobbly
- more teetering
- more wiggling
- most teetering
- most wiggling
- un even
- un-even
• woozy
- be fuddled
- be mused
- be-fuddled
- be-mused
- light headed
- more dazzled
- more slap happy
- more slap-happy
- more slaphappy
- more staggered
- most dazzled
- most slap happy
- most slap-happy
- most staggered
- off balance
- punch drunk
- punchdrunk
- seeing stars
- slap happy
- slap-happy
- weak in knees
- weak in the knees
- weak knees
- weak the knees
p. pr. & vb. n.
• noun
- groping
- perplexing
Other relevant words:

Usage examples for Certain

Then he looked again and was certain it was Maude.

"The Mermaid of Druid Lake and Other Stories"

Charles Weathers Bump

He felt certain Jane had done nothing of the kind.

"Jane Oglander"

Marie Belloc Lowndes

He thinks he has a certain interest in you.

"The Eye of Dread"

Payne Erskine

Famous quotes with Certain

There are certain things I want to keep to me. I don't discuss my private life.

Aaliyah
There are certain men and women who, from the minute they step in front of a camera, that's exactly where they belong. Connery's one.

F. Murray Abraham
There are just certain things that turn my head. It may be a girl's sense of humor, it may be her wit, or her belief system; it could be a lot of different things.

Jensen Ackles
The most certain test by which we judge whether a country is really free is the amount of security enjoyed by minorities.

John Acton
Maxwell is serious, dedicated, awkward, forgetful, pompous to a certain degree, sentimental.

Don Adams

Word of the Day

splenial bone

There are numerous antonyms for the term "splenial bone," as this is a specific anatomical structure within the human and animal body. Some possible antonyms for splenial bone migh...

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Synonyms for Certain:

adj.

n.

Other synonyms:

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What are the paraphrases for Certain?

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Reverse Entailment

Independent

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What are the hypernyms for Certain?

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What are the opposite words for certain?