Quelched means to suppress or extinguish. Antonyms for this word include ignite, kindle, inflame, provoke, and animate. Ignite means to light or set on fire, while kindle refers to starting a blaze or stirring up emotions. Inflame means to excite or intensify, typically referring to anger or passion. Provoke means to stimulate or incite a reaction, often through words or actions. Lastly, animate means to bring to life, energize, or inspire. Each of these antonyms represents the opposite of quelched, with the potential to awaken or activate what was previously subdued or suppressed.