ACT Antonyms There are 7 antonyms of the word act. (opposite meanings)Did you mean?Definition of ACTSynonyms of ACTAlso try opposite words for..actoractingactorsactionactiveBest Opposite Words For ACTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1idlenessnounn2inactionnounn3inactivitynounn4inertianounn5passivitynounn6stillnessnounn7refrainverb, nounv, n Alternatives for IDLENESS Words (12)loafinginactivityindolenceinertnesslazinessleisureslothfulnesssluggishnessunemploymentfaineancegroundlessnessidlingOpposite words for idleness Alternatives for INACTION Words (14)idlenessinertiainactivityapathydormancylazinesspassivityquiescenceslothstagnationtorporinertnessrestinactivenessOpposite words for inaction Alternatives for INACTIVITY Words (3)inactivenessinactioninertiaOpposite words for inactivity Alternatives for INERTIA Words (11)lazinessapathyindolencelethargysluggishnesstorporidlenessinactivenessinactivityslothslothfulnessOpposite words for inertia Alternatives for PASSIVITY Words (10)apathydisinterestinactivityindifferenceinertialethargylistlessnessunconcernsupinenesspassivenessOpposite words for passivity Alternatives for STILLNESS Words (17)quietnesssilencehushcalmpeacequietreposeserenitytranquilitytranquillitymotionlessnesscalmnessinactivityinertialifelessnessstillwindlessnessOpposite words for stillness Alternatives for REFRAIN Words (4)abstainchorusdesistforbearOpposite words for refrain