Persnicketiness is a trait that describes an individual who is highly meticulous, fussy, and overly particular about minor details. Synonyms for persnicketiness include fussiness, fastidiousness, pickiness, finickiness, preciseness, meticulousness, and perfectionism. A person who is persnickety may be excessively attentive to minor details, unwilling to compromise, and prone to getting upset about small things. Other synonyms may include nitpicking, fussbudget, stickler, pedantic, and perfectionist. Although persnicketiness can be a frustrating quality to deal with, it can also be useful in certain situations, such as in professions that require high levels of attention to detail. However, it's worth being aware of the negative connotations that come with the word when describing someone who has this trait.