unalert

Definitions of unalert
  1. adjective
    not alert to what is potentially dangerous
    synonyms: unvigilant, unwatchful
    unwary
    not alert to danger or deception
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    Antonyms:
    alert, watchful
    engaged in or accustomed to close observation
    argus-eyed, open-eyed, vigilant, wakeful
    carefully observant or attentive; on the lookout for possible danger
    fly
    (British informal) not to be deceived or hoodwinked
    heads-up, wide-awake
    fully alert and watchful
    lidless, sleepless
    always watchful
    wary
    marked by keen caution and watchful prudence
    awake
    not in a state of sleep; completely conscious
    lively
    full of life and energy
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