Synonyms|648Antonyms|154|Broader|16Narrower|18Related|740

132 entries under alert topic. ×

3
clever(adjective, cool, sharp, bright, lively)
3
correct(adjective, attentive, watchful, scrupulous)
3
discovering(adjective, attentive, watchful, sharp-eyed)
3
intentive(adjective, sympathetic, witting, attentive)
3
on the job(expression, adjective, idiom, keen, sharp)
3
preventive(adjective, careful, attentive, protective)
3
sensible(adjective, understanding, cool, reasonable, restrained)
3
wise(adjective, understanding, cool, reasonable, keen)
2
brainy(adjective, understanding, cool, keen, sharp)
2
clear-sighted(adjective, sympathetic, wise, attentive)
2
discriminating(adjective, sharp, careful, cautious)
2
eager(adjective, strong, intense, powerful)
2
helpful(adjective, kind, friendly, careful)
2
hip(sharp, bright, lively, careful)
2
not missing a trick(expression, adjective, idiom, sympathetic)
2
on one's toes(adjective, watchful)
2
on the alert(expression, adjective, idiom, careful)
2
on the qui vive(expression, adjective, idiom, keen, sharp)
2
prepared(adjective, careful, cautious, aware)
2
responsive(adjective, understanding, open, kind, keen)
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APASmart Define. (2016). observant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/observant/thesaurus/synonyms
ChicagoSmart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, observant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>.
MLASmart Define. "observant thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms>