vig·i·lant

(vĭj′ə-lənt)

adj.

On the alert, as for danger or error; watchful. See Synonyms at careful.

[Middle English, from Old French, from Latin vigilāns, vigilant-, present participle of vigilāre, to be watchful; see vigilante.]

vig′i·lant·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

vigilant

(ˈvɪdʒɪlənt)

adj

keenly alert to or heedful of trouble or danger, as while others are sleeping or unsuspicious

[C15: from Latin vigilāns keeping awake, from vigilāre to be watchful; see vigil]

ˈvigilantly adv

ˈvigilantness n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vig•i•lant

(ˈvɪdʒ ə lənt)

adj.

1. keenly watchful to detect trouble; wary.

2. ever awake and alert.

[1470–80; < Latin vigilant-, s. of vigilāns, present participle of vigilāre to be watchful, derivative of vigil; see vigil]

vig′i•lant•ly, adv.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

vigilant - carefully observant or attentive; on the lookout for possible danger; "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"

open-eyed, wakeful, argus-eyed

alert, watchful - engaged in or accustomed to close observation; "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"

vigilant

adjective watchful, alert, on the lookout, careful, cautious, attentive, circumspect, wide awake, on the alert, on your toes, wakeful, on your guard, on the watch, on the qui vive, Argus-eyed, keeping your eyes peeled or skinned (informal) Police warned the public to be vigilant and report anything suspicious.
slack, careless, lax, negligent, neglectful, inattentive, remiss

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

vigilant

adjective

Vigilantly attentive:

alert, observant, open-eyed, wakeful, wary, watchful, wide-awake.

Idiom: on the ball.

Translations

يَقِظ، حَذِر

bdělý

vagtsom

valpasvaruilla

szemfüles

árvökull

vigile

vaktsom

tetikteuyanık

警惕着的

vigilant

[ˈvɪdʒɪlənt] ADJ → vigilante, alerta
staff have been instructed to be extra vigilant → se ha ordenado a todo el personal que extreme la vigilancia
under his vigilant eye → bajo su atenta mirada
to be vigilant against [+ danger, threat] → mantenerse alerta or vigilante frente a

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

vigilant

[ˈvɪdʒɪlənt] adj → vigilant(e)

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

vigilant

adj → wachsam; to be vigilant about something → auf etw (acc) → achten; to be vigilant about over-exposing oneself to the sun → darauf achten, sich nicht zu sehr der Sonne auszusetzen; to be vigilant against something → sich vor etw (dat) → hüten; to keep a vigilant eye on somebody/something → ein wachsames Auge auf jdn/etw haben; to be under somebody’s vigilant eye → von jdm genau beobachtet werden; the customs officers are ever vigilant for drug traffickers → die Zollbeamten haben stets ein wachsames Auge auf Drogenhändler

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

vigilant

[ˈvɪdʒɪl/ənt] adj → vigile

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

vigilance

(ˈvidʒiləns) noun

watchfulness or readiness for danger. He watched her with the vigilance of a hawk.

ˈvigilant adjective

Mentioned in

References in classic literature

The archdeacon had in Quasimodo the most submissive slave, the most docile lackey, the most vigilant of dogs.

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Now as the rival companies keep a vigilant eye upon each other, and are anxious to discover each other's plans and movements, they generally contrive to hold their annual assemblages at no great distance apart.

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The season for the Line at length drew near; and every day when Ahab, coming from his cabin, cast his eyes aloft, the vigilant helmsman would ostentatiously handle his spokes, and the eager mariners quickly run to the braces, and would stand there with all their eyes centrally fixed on the nailed doubloon; impatient for the order to point the ship's prow for the equator.

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Hunt consulted, to conceal all knowledge or suspicion of the meditated treachery, but to keep up a vigilant watch upon the movements of Rose, and a strict guard upon the horses at night.

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Keba Christos, who had marched with incredible expedition to hinder the enemy from making any intrenchments, would willingly have refreshed his men a few days before the battle, but finding the foe vigilant, thought it not proper to stay till he was attacked, and therefore resolved to make the first onset; then presenting himself before his army without arms and with his head uncovered, assured them that such was his confidence in God's protection of those that engaged in so just a cause, that though he were in that condition and alone, he would attack his enemies.

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After a long pause I resumed my meal, but with my ears still vigilant. Presently I heard something else, very faint and low.

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Certainly he had gazed at times very fixedly before him with the Landfall's vigilant look, this sea-captain seated incongruously in a deep-backed chair.

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Man's desire for the approval of his fellows is so strong, his dread of their censure so violent, that he himself has brought his enemy within his gates; and it keeps watch over him, vigilant always in the interests of its master to crush any half-formed desire to break away from the herd.

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The cardinal duty of a dog was to serve his white god by keeping a vigilant eye on all blacks that came about.

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The words were still in the mouth of the scout, when the leader of the party, whose approaching footsteps had caught the vigilant ear of the Indian, came openly into view.

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'The dogs do right to be vigilant. Take a glass of wine?'

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It will indeed deserve the most vigilant and careful attention of the people, to see that it be modeled in such a manner as to admit of its being safely vested with the requisite powers.

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