(New American Roget's College Thesaurus)
adj. watchful, on guard, wary; quick, ready. See care, activity.—v. See warning.Ant., inattentive, unaware.
(Roget's IV) modif.
1. [Watchful]
Syn. wary, on guard, wide-awake; see observant 2 .
2. [Intelligent]
Syn. bright, clever, quick, sharp; see intelligent 1 , observant 1 .
See Synonym Study at intelligent , watchful . n.
Syn. signal, alarm, warning; see alarm 1 , warning .
on the alert,
Syn. watchful, aware, vigilant, on guard; see observant 1 , 2 .
Syn. inform, put on guard, warn, signal; see warn .
(Roget's 3 Superthesaurus)
on guard, watchful, ready, vigilant, on one's toes, keen, wide-awake, wary, attentive, *on the ball, *with it, sharp, active, lively.
ANT.: asleep, *out to lunch, comatose
alarm, signal, warning, tocsin.
warn, signal, inform, notify.
(Roget's Thesaurus II) I adjective 1. Vigilantly attentive: observant, open-eyed, vigilant, wakeful, wary, watchful, wide-awake. Idiom: on the ball. See AWARENESS. 2. Mentally quick and original: bright, clever, intelligent, keen1, quick, quick-witted, sharp, sharp-witted, smart. Idiom: smart as a whip. See ABILITY. II noun A signal that warns of imminent danger: alarm, alarum, tocsin, warning. See WARN. III verb To notify (someone) of imminent danger or risk: admonish, alarm, caution, forewarn, warn. See WARN.

English dictionary for students. 2013.


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  • alert — ALÉRT, Ă, alerţi, te, adj. (livr.) Sprinten, vioi; iute, prompt. – Din fr. alerte. Trimis de ana zecheru, 20.11.2002. Sursa: DEX 98  ALÉRT adj. v. iute, sprinten, vioi. Trimis de siveco, 13.09.2007. Sursa: Sinonime  alért …   Dicționar Român

  • alert — Adj flink, munter erw. fremd. Erkennbar fremd (17. Jh.) Entlehnung. Entlehnt aus frz. alerte munter, wachsam (eigentlich à l erte), dieses aus it. all erta auf der Höhe, auf der Hut , zu it. erta Anhöhe . Die Bedeutungsentwicklung geht aus von… …   Etymologisches Wörterbuch der deutschen sprache

  • alert — alert·ly; alert·ness; un·alert; alert; …   English syllables

  • Alert — 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. [1913 Webster] {On the alert}, on the lookout or watch against attack or danger; ready to act. [1913 …   The Collaborative International Dictionary of English

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  • Alert — 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.… …   The Collaborative International Dictionary of English

  • alert — adj 1 *watchful, wide awake, vigilant Analogous words: *agile, nimble, brisk: wary, circumspect, *cautious Contrasted words: heedless, *careless: unconcerned, aloof, detached, * …   New Dictionary of Synonyms

  • alert — {{/stl 13}}{{stl 8}}rz. mnż I, D. u, Mc. alertrcie {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} stan gotowości do podjęcia akcji, ogłaszany przez odpowiednie struktury organizacji, zwłaszcza młodzieżowych, np. harcerstwa :… …   Langenscheidt Polski wyjaśnień

  • alert — ► ADJECTIVE 1) quick to notice and respond to danger or unusual circumstances. 2) quick thinking; intelligent. ► NOUN 1) the state of being alert. 2) a warning of danger. ► VERB ▪ warn of a danger or problem …   English terms dictionary

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