vigilant
/ˈvɪd͡ʒɪlənt/ adjective
- adjective Watchful, especially for danger or disorder; alert; wary. “Be vigilant for signs of disease in your garden.”
- adjective (heraldry, rare) In vigilance.
Synonyms
alert aware careful circumspect observant on the qui vive wakesome wary watchful unwinking heedful hip on guard on the lookout on the watch on watch wakeful woke argus-eyed open-eyed
Antonyms
complacent heedless oblivious unalert unaware unprepared unwary unwitting
Etymology
From French vigilant or its source, Latin vigilans, present participle of vigilare (“stay awake”), from vigil (“awake”). Doublet of vigilante, from Spanish. Displaced Old English wacor.
Webster’s 1913
- adjective Attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary. "Be sober, be vigilant." 1 Pet. v. 8.
Etymology [L. vigilans, -antis, p. pr. of vigilare to watch, fr. vigil awake: cf. F. vigilant. See Vigil.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “vigilant”, CC BY-SA 4.0. Details