Synonyms|572Antonyms|111|Broader|6Narrower|1Related|510

81 entries under expression topic. ×

13
on guard(adjective, idiom, adverb, sharp)
13
on the lookout(adjective, idiom, sharp, care)
10
on the ball(adjective, idiom, sharp, bright)
7
on the alert(adjective, idiom, care, alert)
5
wide awake(adjective, idiom, sharp, bright)
3
all ears(adjective, sharp, bright, lively)
3
on one's guard(adjective, idiom, care, caution)
3
on the watch(adjective, idiom, adverb, alert)
2
alive to(adjective, understanding, keen, sensible)
2
on the job(adjective, idiom, sharp, bright)
2
on the qui vive(adjective, idiom, sharp, bright)
2
on toes(adjective, adverb, bright, careful)
2
on your guard(adjective, idiom, alert, aware)
2
psyched up(sharp, bright, lively, active)
2
with it(understanding, keen, sharp, bright)
1
armed and ready
1
au courant(adjective, understanding, keen, sensible)
1
broad awake(idiom, care)
1
fast on the draw(idiom, sharp, bright, lively)
1
good and ready
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ChicagoSmart Define. 2015. "vigilant thesaurus" https://smartdefine.org/vigilant/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, vigilant thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/vigilant/thesaurus/synonyms>.
MLASmart Define. "vigilant thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/vigilant/thesaurus/synonyms>