SLEEP Antonyms There are 11 antonyms of the word sleep. (opposite meanings)Did you mean?Definition of SLEEPAlso try opposite words for..sleptsleepyasleepsleepersleepingBest Opposite Words For SLEEPTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1activeadjectiveadj2alertverb, nounv, n3awakeverb, adjectivev, adj4consciousadjectiveadj5insomniacnounn6livelyadjectiveadj7unrestedadjectiveadj8vigilantadjectiveadj9wakefuladjectiveadj10wide-awakeadjectiveadj11wakeverb, adverb, nounv, adv, n Alternatives for ACTIVE Words (27)agilebusyenergeticnimblealivedynamicanimatedbriskbustlingengagedfastindustriouslivelypromptquickspiritedvibrantvigorousactingdiligentoperativetopworkingdeedfulcombat-readyfightingparticipatingPhrases (3)in forceactive agentactive voiceOpposite words for active Alternatives for ALERT Words (22)watchfulattentiveawarekeenobservantpromptquickresponsivesharpvigilantalarmalarumalertingaliveawakebrisklivelymerryrattlingsnappyspankingzippyPhrases (2)qui vivewarning signalOpposite words for alert Alternatives for AWAKE Words (15)consciousalertawakeawakenedwakefulwide-awakeawakencrylucidwarywokealivearousewakewakenPhrases (3)wake upbring roundcome aliveOpposite words for awake Alternatives for CONSCIOUS Words (13)acquaintedalertawarecognizantconsciousinformedknowledgeablemindfulperceptivesentientwiseapprisedwittingOpposite words for conscious Alternatives for INSOMNIAC Words (7)sleeplessrestlessvigilantwakefulwide-awakeinsomniouswatchfulPhrases (1)sleepless personOpposite words for insomniac Alternatives for LIVELY Words (40)alertbouncybriskpeppyzestfulzippyactiveagilealiveanimatedbubblycheerfuldynamicenergeticenthusiasticexuberanthigh-spiritedjauntyperkyquickspiritedsprightlyspryvibrantvivaciouslivevitalextantfriskyfrothyintensemerrynaturalisticrattlingresilientsnappyspankingspringylimnedspumescentOpposite words for lively Alternatives for UNRESTED Words (7)drainedexhaustedfatiguedtiredwearyworn-outunrefreshedOpposite words for unrested Alternatives for VIGILANT Words (12)watchfulalertobservantattentivecarefulcautiousargus-eyedawarecircumspectopen-eyedwakefulwaryPhrases (1)on the qui viveOpposite words for vigilant