Vigilant

//ˈvɪd͡ʒɪlənt// adj

adj ·Moderate ·High school level

Definitions

Adjective
  1. 1
    Watchful, especially for danger or disorder; alert; wary

    "Be vigilant for signs of disease in your garden."

  2. 2
    In vigilance. rare

    "von der LUTKE / Argent, a crane vigilant proper. AG. Carl von der Lutke. Arr. 1857 with the British German Crimea legion. Obtained a grant of land in the Eastern Province of the Cape Colony."

Adjective
  1. 1
    carefully observant or attentive; on the lookout for possible danger wordnet

Synonyms

All synonyms
alertacuteagogalertaliveall ears

Example

More examples

"Layla and Sami have to be 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.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.