Synonyms of alert in English:



  • 1 police have asked neighbours to be alert after a spate of burglaries in the area
    vigilant, wide awake, aware, watchful, attentive, observant, circumspect, wary, chary, heedful, canny; on the lookout, on one's guard, on one's toes, all ears, keeping one's eyes open/peeled, keeping a weather eye open, on the qui vive
    [Antonyms] inattentive
  • 2 she continued to paint in old age in order to remain mentally alert
    [Antonyms] slow
  • noun

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  • 1 the army called for a state of alert
    [Antonyms] carelessness
  • 2 a flood alert has been issued
    warning, caution, notification, notice, exhortation, injunction; siren, alarm, signal, danger signal, distress signal
  • verb

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  • police were alerted by a phone call from the house
    warn, notify, apprise, caution, put on one's guard, forewarn, put on the qui vive, arouse
    informal tip off, clue in, put in the picture, put wise
  • Definition of alert in:

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