vigilant

vig·i·lant  (vj-lnt)

adj.

On the alert; watchful. See Synonyms at aware.

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

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vigi·lant·ly adv.

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vigilant [ˈvɪdʒɪlənt]

adj

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

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

vigilantly  adv

vigilantness  n

Thesaurus

Adj.

1.

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"

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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

Translations

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

vigilant [ˈvɪdʒɪlənt] adj → vigilant(e)

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

vigilant [ˈvɪdʒɪl/ənt] adj → vigile