Thesaurus

alert

adjective

Synonyms and Antonyms of alert

  1. 1 paying close attention usually for the purpose of anticipating approaching danger or opportunity she needed to stay alert throughout the train ride so as not to miss her stop Synonyms of alert Argus-eyed, attentive, awake, observant, open-eyed, tenty (also tentie) [Scottish], vigilant, watchful, wide-awake Words Related to alert alive, aware, conscious, sensitive; cognizant, heedful, keen, mindful, observing, regardful, sharp, sharp-eyed; hyperalert, hypervigilant, sleepless, wakeful; careful, cautious, chary, wary; prepared, ready Phrases on guard, on one's toes, on the alert, on the ball, on the qui vive, on tiptoe Near Antonyms of alert absent, absentminded, absorbed, abstracted, daydreaming, dazed, distracted, dreaming, dreamy, engrossed, faraway, insensible, oblivious, preoccupied; sleeping, unaware, unconscious, unknowing, unwitting; careless, heedless, inattentive, unheeding, unmindful, unthinking, unwary; unprepared, unready Antonyms of alert asleep

  2. 2 having or showing a close attentiveness to avoiding danger or trouble warned us to be alert to the presence of pickpockets on the crowded bus Synonyms of alert careful, cautious, chary, circumspect, conservative, considerate, gingerly, guarded, heedful, safe, waryWords Related to alert advertent, attentive, awake, observant, regardful, vigilant, watchful; hypercautious; foresighted, foresightful, forethoughtful, provident, thoughtful; cagey (also cagy), calculating, canny, shrewd; deliberate, slow; ultracareful, ultracautiousNear Antonyms of alert bold, brash, impetuous, rash, reckless, venturesome; asleep, inattentive, regardless; inconsiderate, thoughtless; lax, neglectful, negligent, remiss; imprudent, indiscreet, injudicious; absentminded, forgetful; inadvertent, unintentional, unplannedAntonyms of alert careless, heedless, incautious, unguarded, unmindful, unsafe, unwary

  3. 3 having or showing quickness of mind an alert and well-trained sheep dog who can handle difficult situations Synonyms of alert intelligent, brainy, bright, brilliant, clever, exceptional, fast, hyperintelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmartWords Related to alert apt, ingenious, resourceful; acute, astute, discerning, heady, insightful, knowing, perceptive, percipient, perspicacious, sagacious, sapient, savvy, wise; cerebral, erudite, genial, highbrow, knowledgeable, learned, literate, scholarly, well-read; educated, informed, schooled, skilled, trained; creative, inventive, judicious, prudent, sage, sane, sapient, sensible, sound, wise; crafty, cunning, foxy, shrewd, wily; logical, rational, reasonableNear Antonyms of alert feebleminded, simpleminded; boobish, foolish, half-baked, idiotic (also idiotical), imbecile (or imbecilic), moronic, silly; ignorant, illiterate, lowbrow, nonintellectual, unacademic, uneducated, uninformed, unintellectual, untaught, unthinking; absurd, asinine, balmy, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, featherheaded, fool, half-baked, harebrained, insane, kooky (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, tomfool, unwise, wacky (also whacky), zanyAntonyms of alert airheaded, birdbrained, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, stupid, thick, thickheaded, thick-witted, unbrilliant, unintelligent, unsmart, vacuous, weak-minded, witless

  4. 4 having or showing the ability to respond without delay or hesitation an alert force of commandos, ready to go on a mission at a moment's notice Synonyms of alert alacritous, quick, expeditious, prompt, ready, willingWords Related to alert receptive, responsive; immediate, instant, instantaneous, summary; breakneck, breathless, brisk, fast, fleet, fleet-footed, hit-and-run, lightning, rapid, rapid-fire, rattling, snappy, speedy, swift, whirlwind; eager, keen, sharp; apt, clever, quick, quick-witted, ready-witted, sharp-witted, smartNear Antonyms of alert unresponsive; crawling, creeping, dallying, dawdling, dilatory, dillydallying, dragging, laggard, lagging, lazy, lazyish, leisurely, logy (also loggy), poking, poky (or pokey), slothful, slow, slowish, sluggish, tardy, unhurried; dormant, idle, inactive, inert


alert

noun

Synonyms and Antonyms of alert

  1. 1 the act or an instance of telling beforehand of danger or risk the white flash of the doe's raised tail, giving the “danger” alert to her fawns Synonyms of alert admonishment, admonition, alarm (also alarum), warning, caution, forewarning, heads-up, noticeWords Related to alert auguring, augury, forecasting, foretelling, predicting, prediction, premonition, presaging, prognosticating, prophecy (also prophesy), prophesying; apprising, informing, notification, notifying, tip-off; advice, counsel, guidance, recommendation, suggestion, tip; announcement, declaration

  2. 2 the state of being constantly attentive and responsive to signs of opportunity, activity, or danger the doctor told the patient to be on the alert for any signs of infection Synonyms of alert vigilance, alertness, attentiveness, qui vive, red alert, watch, watchfulnessWords Related to alert aliveness, awareness, consciousness, mindfulness, receptiveness, receptivity, sensitivity; care, carefulness, cautiousness, chariness, heedfulness, wariness; preparation, readinessNear Antonyms of alert absentmindedness, abstraction, daydreaming, daze, distraction; absorption, engrossment, obliviousness, preoccupation; unawareness, unconsciousness; carelessness, heedlessness, inattention, inattentiveness, inobservance; unwariness


alert

verb

Synonyms and Antonyms of alert

  1. to give notice to beforehand especially of danger or risk alerted us to the possibility that the roads would be flooded and we might have to take a detour Synonyms of alert advise, warn, caution, forewarn, wakeWords Related to alert augur, forecast, foretell, harbinger, predict, presage, prognosticate, prophesy; apprise, inform, notify, tip (off); admonish; bode, forebode (also forbode), foreshadow, foretoken, portendNear Antonyms of alert imperil, risk



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