99 entries under alert topic. ×

1
correct(intelligent, perceptive, attentive, watchful)
1
deducing(intelligent, perceptive, attentive, watchful)
1
detecting(intelligent, perceptive, attentive, watchful)
1
discovering(intelligent, perceptive, attentive, watchful)
1
eagle-eyed(intelligent, perceptive, attentive, watchful)
1
ear to the ground(expression, adjective, idiom, understanding, keen)
1
eggheaded(smart, perceptive, skillful, lucid)
1
frisky(adjective, keen, sharp, bright, intense)
1
heads up(expression, sharp, bright, lively)
1
heedful(sharp, bright, lively, active)
1
hip(sharp, bright, lively, active)
1
intentive(intelligent, perceptive, attentive, watchful)
1
interested(intelligent, perceptive, attentive, watchful)
1
intuitive(adjective, understanding, keen, sharp, smart)
1
jazzed(sharp, bright, lively, active)
1
mindful(adjective, understanding, intelligent, perceptive)
1
not missing a trick(expression, idiom, intelligent, watchful)
1
obedient(intelligent, perceptive, attentive, watchful)
1
observative(intelligent, perceptive, attentive, watchful)
1
on guard(expression, sharp, bright, lively)
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APASmart Define. (2016). quick thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/quick/thesaurus/synonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/quick/thesaurus/synonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/quick/thesaurus/synonyms>