Synonyms for alert

Synonyms for (noun) alert

Synonyms: alarm, alarum, alert, warning signal

Definition: an automatic signal (usually a sound) warning of danger

Similar words: sign, signal, signaling

Definition: any nonverbal action or gesture that encodes a message

Usage: signals from the boat suddenly stopped


Synonyms: alert, alerting

Definition: a warning serves to make you more alert to danger

Similar words: warning

Definition: a message informing of danger

Usage: a warning that still more bombs could explode


Synonyms: qui vive, alert

Definition: condition of heightened watchfulness or preparation for action

Usage: bombers were put on alert during the crisis

Similar words: preparation, preparedness, readiness

Definition: the state of having been made ready or prepared for use or action (especially military action)

Usage: putting them in readiness; their preparation was more than adequate

Synonyms for (verb) alert

Synonyms: alarm, alert

Definition: warn or arouse to a sense of danger or call to a state of preparedness

Usage: The empty house alarmed him; We alerted the new neighbors to the high rate of burglaries

Similar words: warn

Definition: notify of danger, potential harm, or risk

Usage: The director warned him that he might be fired; The doctor warned me about the dangers of smoking

Synonyms for (adjective) alert

Synonyms: alert, watchful

Definition: engaged in or accustomed to close observation

Usage: 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

Similar words: vigilant, wakeful, open-eyed, argus-eyed

Definition: carefully observant or attentive; on the lookout for possible danger

Usage: a policy of open-eyed awareness; the vigilant eye of the town watch; there was a watchful dignity in the room; a watchful parent with a toddler in tow


Similar words: fly

Definition: (British informal) not to be deceived or hoodwinked


Similar words: wide-awake, heads-up

Definition: fully alert and watchful

Usage: played heads-up ball


Similar words: sleepless, lidless

Definition: always watchful

Usage: to an eye like mine, a lidless watcher of the public weal- Alfred Tennyson


Synonyms: awake, alert, alive

Definition: mentally perceptive and responsive

Usage: 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

Similar words: cognisant, cognizant, aware

Definition: (sometimes followed by `of') having or showing knowledge or understanding or realization or perception

Usage: was aware of his opponent's hostility; became aware of her surroundings; aware that he had exceeded the speed limit


Synonyms: rattling, alert, spanking, snappy, zippy, brisk, merry, lively

Definition: quick and energetic

Usage: a brisk walk in the park; a lively gait; a merry chase; traveling at a rattling rate; a snappy pace; a spanking breeze

Similar words: energetic

Definition: possessing or exerting or displaying energy

Usage: an energetic fund raiser for the college; an energetic group of hikers; it caused an energetic chemical reaction