English Explanatory Dictionary

vigilant

English dictionary entry

Meanings

adj
  1. Watchful, especially for danger or disorder; alert; wary
  2. In vigilance.

Pronunciation

/ˈvɪd͡ʒɪlənt/ LL-Q1860 (eng)-I learned some phrases-vigilant.wav

Word forms

vigilant more vigilant most vigilant

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.

Synonyms

heedful hip on guard on the lookout on the watch on watch vigilant wakeful woke alert aware careful circumspect observant on the qui vive wakesome wary watchful

Antonyms

complacent heedless oblivious unalert unaware unprepared unwary unwitting

Related words

vigil vigilance vigilante pay attention

Derived words

pharmacovigilant vigilantly
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