138 entries under alert topic. ×

5
correct(noun, adjective, severe, solid, perfect)
5
grave(adjective, knowledgeable, perceptive, cultured)
5
heedful(adjective, bright, lively, familiar)
5
mindful(adjective, understanding, familiar, intelligent)
5
spirited(adjective, strong, keen, bright, intense)
5
spry(adjective, activity, pleasant, keen, intense)
5
wakeful(adjective, keen, bright, anxious)
4
cool(adjective, smooth, pleasant, severe, keen)
4
humorous(adjective, smart, funny, intelligent)
4
receptive(adjective, open, bright, sensible, sympathetic)
4
searching(adjective, intelligent, perceptive, attentive)
3
cognizant(adjective, understanding, cool, significant)
3
eagle-eyed(adjective, intelligent, perceptive, attentive)
3
enlightened(adjective, sound, smart, bright, sensible)
3
interested(adjective, strong, intense, powerful)
3
on the alert(expression, adjective, idiom, attentive)
3
regardful(adjective, intelligent, attentive, watchful)
3
sound(adjective, sensible, intelligent, wise)
3
sprightly(adjective, strong, pleasant, keen, smart)
3
understanding(adjective, sound, smart, bright, sensible)
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APASmart Define. (2016). sharp thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sharp/thesaurus/synonyms
ChicagoSmart Define. 2016. "sharp thesaurus" https://smartdefine.org/sharp/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sharp thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sharp/thesaurus/synonyms>.
MLASmart Define. "sharp thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sharp/thesaurus/synonyms>