Alert

• POS: Adjective, Noun, Verb (transitive)
• HYPHEN: a=lert

CIDE DICTIONARY

Alert, a. [F. alerte, earlier à l'erte on the watch, fr. It. all' erta on the watch, prop. (standing) on a height, where one can look around; erta a declivity, steep, erto steep, p. p. of ergere, erigere, to erect, raise, L. erigere. See Erect.].

•  Watchful; vigilant; active in vigilance.  [1913 Webster]
•  Brisk; nimble; moving with celerity.  [1913 Webster]

  "An alert young fellow."  [1913 Webster]

Syn. -- Active; agile; lively; quick; prompt.

Alert, n. 

 An alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning.  Farrow.  [1913 Webster]

On the alert, on the lookout or watch against attack or danger; ready to act.

OXFORD DICTIONARY

Alert, adj., n., & v.
--adj.
1 watchful or vigilant; ready to take action.
2 nimble (esp. of mental faculties); attentive.
--n.
1 a warning call or alarm.
2 a warning of an air raid. b the duration of this.
--v.tr. (often foll. by to) make alert; warn (were alerted to the danger).

Idiom

on the alert on the lookout against danger or attack.

Derivative

alertly adv. alertness n.

Etymology

F alerte f. It. all' erta to the watch-tower

THESAURUS

Alert

Klaxon, Mayday, SOS, active, admonish, advertent, advise, agile, agog, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert for, alive, all clear, all ears, all eyes, animated, apt, arouse, assiduous, attentive, awake, aware, beacon, blinking light, brainy, breathe, bright, brilliant, burglar alarm, buzz, buzzer, cant, careful, caution, cautious, clear-sighted, clear-witted, clearheaded, clever, concentrated, confide, confide to, conscious, crostarie, cry havoc, cry wolf, decisive, diligent, earnest, entrust with information, equal to, expeditious, fiery cross, finical, finicking, finicky, fire alarm, fire bell, fire flag, five-minute gun, flashing light, fly storm warnings, fog bell, fog signal, foghorn, forewarn, frighten, frisky, full of life, gale warning, gay, give confidential information, give fair warning, give notice, give warning, heedful, hooter, horn, hue and cry, hurricane warning, immediate, instant, instantaneous, intense, intent, intentive, issue an ultimatum, keen, knowing, let in on, let next to, lighthouse, lively, loaded for, lookout, mention privately, mercurial, meticulous, mindful, nice, niggling, nimble, note of alarm, notify, observant, observing, occulting light, on guard, on the, on the alert, on the ball, on the job, on the lookout, open-eared, open-eyed, openmouthed, police whistle, prepared for, prompt, punctual, put hep, put next to, qui vive, quick, quick-witted, ready, ready for, regardful, sharp, signal, signal of distress, siren, sleepless, small-craft warning, smart, sound the alarm, sound the tocsin, speedy, spirited, sprightly, spry, startle, still alarm, storm cone, storm flag, storm warning, summary, swift, threaten, tip, tip off, tocsin, two-minute gun, unblinking, unnodding, unsleeping, unwinking, up, up for, up to, upside-down flag, utter a caveat, vigilant, vivacious, wakeful, warn, warn against, warning, wary, watchful, whisper, whistle, wide awake, wide-awake

ROGET THESAURUS

Alert

Activity

N activity, briskness, liveliness, animation, life, vivacity, spirit, dash, energy, snap, vim, nimbleness, agility, smartness, quickness, velocity, alacrity, promptitude, despatch, dispatch, expedition, haste, punctuality, eagerness, zeal, ardor, perfervidum aingenium, empressement, earnestness, intentness, abandon, vigor, devotion, exertion, industry, assiduity, assiduousness, sedulity, laboriousness, drudgery, painstaking, diligence, perseverance, indefatigation, habits of business, vigilance, wakefulness, sleeplessness, restlessness, insomnia, pervigilium, insomnium, racketing, movement, bustle, stir, fuss, ado, bother, pottering, fidget, fidgetiness, flurry, officiousness, dabbling, meddling, interference, interposition, intermeddling, tampering with, intrigue, press of business, no sinecure, plenty to do, many irons in the fire, great doings, busy hum of men, battle of life, thick of the action, housewife, busy bee, new brooms, sharp fellow, sharp blade, devotee, enthusiast, zealot, meddler, intermeddler, intriguer, busybody, pickthank, hummer, hustler, live man, rustler, active, brisk, brisk as a lark, brisk as a bee, lively, animated, vivacious, alive, alive and kicking, frisky, spirited, stirring, nimble, nimble as a squirrel, agile, light-footed, nimble-footed, featly, tripping, quick, prompt, yare, instant, ready, alert, spry, sharp, smart, fast, quick as a lamplighter, expeditious, awake, broad awake, go-ahead, live wide-awake, forward, eager, strenuous, zealous, enterprising, in earnest, resolute, industrious, assiduous, diligent, sedulous, notable, painstaking, intent, indefatigable, unwearied, unsleeping, never tired, plodding, hard-working, businesslike, workaday, bustling, restless, restless as a hyena, fussy, fidgety, pottering, busy, busy as hen with one chicken, working, at work, on duty, in harness, up in arms, on one's legs, at call, up and doing, up and stirring, busy, occupied, hard at work, hard at it, up to one's ears in, full of business, busy as a bee, busy as a one-armed paperhanger, meddling, meddlesome, pushing, officious, overofficious, intrigant, astir, stirring, agoing, afoot, on foot, in full swing, eventful, on the alert, actively, with life and spirit, with might and main &c, with haste, with wings, full tilt, in mediis rebus, Int, be alive, look alive, look sharp!, move on, push on!, keep moving!, go ahead!, stir your stumps!, age quod agis!, jaldi!, karo!, step lively!, carpe diem, seize the day, nulla dies sine linea, nec mora nec requies, the plot thickens, No sooner said than done, veni vidi vici, catch a weasel asleep, abends wird der Faule fleissig, dictum ac factum, schwere Arbeit in der Jugend ist sanfte Ruhe im Al, hard work in youth means soft rest in age, the busy hum of men.

Attention

N attention, mindfulness, presence of mind, intentness, intentiveness, alertness, thought, advertence, advertency, observance, observation, consideration, reflection, perpension, heed, heedfulness, particularity, notice, regard, circumspection, diligence, study, scrutiny inspection, introspection, revision, revisal, active application, diligent application, exclusive application, minute application, close application, intense application, deep application, profound application, abstract application, labored application, deliberate application, active attention, diligent attention, exclusive attention, minute attention, close attention, intense attention, deep attention, profound attention, abstract attention, labored attention, deliberate attention, active thought, diligent thought, exclusive thought, minute thought, close thought, intense thought, deep thought, profound thought, abstract thought, labored thought, deliberate thought, active study, diligent study, exclusive study, minute study, close study, intense study, deep study, profound study, abstract study, labored study, deliberate study, minuteness, attention to detail, absorption of mind, indication, calling attention to, attentive, mindful, observant, regardful, alive to, awake to, observing, alert, open-eyed, intent on, taken up with, occupied with, engaged in, engrossed in, wrapped in, absorbed, rapt, transfixed, riveted, mesmerized, hypnotized, glued to (the TV, the window, a book), breathless, preoccupied, watchful, breathless, undistracted, upon the stretch, on the watch, steadfast, interesting, engrossing, mesmerizing, riveting, Int, see!, look, look here, look you, look to it!, mark!, lo!, behold!, soho!, hark, hark ye!, mind!, halloo!, observe!, lo and behold!, attention!, nota bene, N, B, note well, I'd have you to know, notice!, O yes!, Oyez!, dekko!, ecco!, yoho!, this is to give notice, these are to give notice, dictum sapienti sat est, a word to the wise is sufficient, finem respice, Attention! Now hear this! Oyez!, Achtung, vnimanie, chui.

Care

N care, solicitude, heed, heedfulness, scruple, watchfulness, vigilance, surveillance, eyes of Argus, watch, vigil, look out, watch and ward, loeil du maitre, alertness, attention, prudence &c, circumspection, anxiety, forethought, precaution, tidiness accuracy, minuteness, attention to detail, careful regardful, heedful, taking care, particular, prudent, considerate, thoughtful, provident, alert, sure-footed, guarded, on one's guard, on the qui vivre, on the alert, on watch, on the lookout, awake, broad awake, vigilant, watchful, wakeful, wistful, Argus-eyed, wide awake, on the watch for (expectant), tidy accurate, scrupulous, cavendo tutus, carefully, with care, gingerly, quis custodiet istos custodes?, who will watch the watchers?, care will kill a cat, ni bebas agua que no veas, O polished perturbation! Golden care!, the incessant care and labor of his mind.