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Meaning of ALERT

Pronunciation:  u'lurt

WordNet Dictionary
  1. [n]  an automatic signal (usually a sound) warning of danger
  2. [n]  a warning serves to make you more alert to danger
  3. [n]  condition of heightened watchfulness or preparation for action; "bombers were put on alert during the crisis"
  4. [adj]  not unconscious; especially having become conscious; "the patient is now awake and alert"
  5. [adj]  very attentive or observant; "an alert and responsive baby is a joy"; "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"
  6. [adj]  (usually followed by `to') showing acute awareness; mentally perceptive; "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"
  7. [adj]  mentally responsive; "an alert mind"
  8. [v]  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"

ALERT is a 5 letter word that starts with A.


 Synonyms: alarm, alarm, alarum, alerting, alive(p), argus-eyed, aware(p), conscious, fly, heads-up, intelligent, lidless, on the alert(p), on the job(p), open-eyed, perched, perked, perked up, qui vive, sleepless, vigilant, wakeful, warning signal, watchful, wide-awake
 Antonyms: unalert
 See Also: alarm bell, awake(p), burglar alarm, fire alarm, foghorn, fogsignal, horn, lively, preparation, preparedness, readiness, red alert, red flag, sign, signal, signaling, siren, tocsin, wake, warn, warning, wary



Webster's 1913 Dictionary
  1. \A*lert"\ ([.a]*l[~e]rt"), a. [F. alerte, earlier [`a]
    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}.]
    1. Watchful; vigilant; active in vigilance.
    2. Brisk; nimble; moving with celerity.
             An alert young fellow.                --Addison.
    Syn: Active; agile; lively; quick; prompt.
  2. \A*lert"\, n. (Mil.)
    An alarm from a real or threatened attack; a sudden attack;
    also, a bugle sound to give warning. ``We have had an
    alert.'' --Farrow.
    {On the alert}, on the lookout or watch against attack or
       danger; ready to act.
Computing Dictionary

/*'l*rt/ An audible and/or visual message intended to inform a system's users or administrators about a change in the operating conditions of that system or about some kind of error condition. In a graphical user interface, an alert would typically be displayed as a small window containing the message and a button to click to dismiss the window.

Thesaurus Terms
 Related Terms: 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, clearheaded, clear-sighted, clear-witted, 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, Klaxon, knowing, let in on, let next to, lighthouse, lively, loaded for, lookout, Mayday, 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, SOS, 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