Synonyms for

Vigilant

Verb / ˈvɪdʒʌlʌnt / Another word for vigilant — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

watchful, alert, and attentive to danger or trouble

Synonyms & similar words

arguseyed openeyed wakeful watchful alert attentive observant cautious careful wary circumspect prudent diligent sharp-eyed keen perceptive discerning astute intelligent smart resourceful shrewd quick-witted

Synonyms by register

Formal

watchful alert attentive circumspect

Informal

on the ball keeping an eye out sharp wide awake

Literary

sleepless ever-watchful wakeful

Antonyms

careless negligent inattentive lax remiss unobservant heedless

Common collocations

  • vigilant security
  • vigilant for signs
  • vigilant parents
  • vigilant watch
  • vigilant eye
  • vigilant efforts
  • vigilant monitoring

Word family

noun vigilance
adverb vigilantly

Usage note

Vigilant implies a constant state of alertness to danger or trouble. It is often used in contexts of security, safety, or responsibility.

Example sentences

  1. The vigilant lifeguard watched the swimmers closely.
  2. The vigilant shopkeeper caught the thief in the act.
  3. The vigilant hiker was aware of the dangerous terrain.
  4. The vigilant driver checked his mirrors before changing lanes.
  5. The vigilant parent kept an eye on their child in the crowded store.

Quotes

  • Be vigilant; guard your mind against negative thoughts.
  • A vigilant eye is the price of safety.
  • Vigilance is the price of freedom.

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