OFF HIS GUARD Antonyms There are 4 antonyms of the phrase off his guard. (opposite meanings)Did you mean?Definition of OFF HIS GUARDAlso try opposite words for..hisoffguardBest Opposite Words For OFF HIS GUARDTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1alertverb, nounv, n2cautiousadjectiveadj3vigilantadjectiveadj4watchfuladjectiveadj Alternatives for ALERT Words (22)watchfulattentiveawarekeenobservantpromptquickresponsivesharpvigilantalarmalarumalertingaliveawakebrisklivelymerryrattlingsnappyspankingzippyPhrases (2)qui vivewarning signalOpposite words for alert Alternatives for CAUTIOUS Words (15)alertcarefulcircumspectconsideratediligentdiscreetguardedheedfulprudentrestrainedscrupulousvigilantwatchfulconservativetimidOpposite words for cautious Alternatives for VIGILANT Words (12)watchfulalertobservantattentivecarefulcautiousargus-eyedawarecircumspectopen-eyedwakefulwaryPhrases (1)on the qui viveOpposite words for vigilant Alternatives for WATCHFUL Words (7)alertargus-eyedinsomniacopen-eyedsleeplessvigilantwakefulOpposite words for watchful