521 entries under adjective topic. ×

5
sensitive(understanding, open, keen, sharp)
5
speedy(keen, energetic, active, fast)
5
zippy(moving, keen, sharp, bright)
4
all ears(expression, sharp, bright, lively)
4
canny(smart, bright, intelligent, cautious)
4
considerate(care, careful, thoughtful, cautious)
4
considering(intelligent, attentive, watchful, sharp-eyed)
4
deliberate(thoughtful, sober, cautious, prudent)
4
eagle-eyed(intelligent, attentive, watchful, sharp-eyed)
4
fascinated(considerate, responsive, aware, attentive)
4
fastidious(thoughtful, sober, cautious, prudent)
4
fussy(thoughtful, sober, cautious, prudent)
4
hearkening(attentive, observant)
4
hip(lively, familiar, wise, knowledgeable)
4
immersed(set, deep, caring, thoughtful)
4
informed(understanding, keen, sensible, certain)
4
on one's toes(expression, idiom, lively, attentive)
4
percipient(understanding, keen, sharp, sensible)
4
precise(thoughtful, sober, cautious, prudent)
4
sagacious(understanding, keen, smart, bright)
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APASmart Define. (2016). alert thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alert/thesaurus/synonyms
ChicagoSmart Define. 2016. "alert thesaurus" https://smartdefine.org/alert/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, alert thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alert/thesaurus/synonyms>.
MLASmart Define. "alert thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/alert/thesaurus/synonyms>