English dictionary

alert meaning and definition

Definition and meaning of alert at MeaningMonkey.org. alert meaning and definition in the English Dictionary.

ALERT noun

Definition of alert (noun)

  1. condition of heightened watchfulness or preparation for action
    • "bombers were put on alert during the crisis"
    • synonyms: qui vive
  2. a warning serves to make you more alert to danger
  3. an automatic signal (usually a sound) warning of danger

ALERT verb

Definition of alert (verb)

  1. warn or arouse to a sense of danger or call to a state of preparedness
    • "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"
    • synonyms: alarm

ALERT adjective

Definition of alert (adjective)

  1. engaged in or accustomed to close observation
    • "caught by a couple of alert cops"; "alert enough to spot the opportunity when it came"; "constantly alert and vigilant, like a sentinel on duty"
    • synonyms: watchful
    • antonym: unalert
  2. quick and energetic
  3. mentally perceptive and responsiv
    • "an alert mind"; "alert to the problems"; "alive to what is going on"; "awake to the dangers of her situation"; "was now awake to the reality of his predicament"
    • synonyms: alive, awake
Source: Princeton University Wordnet

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