40 entries under alert topic. ×

7
penetrating(adjective, sound, intelligent, perceptive)
5
sharp(adjective, pain, intelligent, attentive)
4
questioning(noun, adjective, concern, interest, understand)
3
intelligent(adjective, perceptive, attentive, watchful)
3
interested(adjective, intelligent, watchful, curious)
3
keen(adjective, intelligent, perceptive, attentive)
2
discerning(adjective, correct, intelligent, perceptive)
2
perceptive(adjective, intelligent, shrewd, attentive)
2
quick(adjective, intelligent, perceptive, attentive)
2
surveying(correct, intelligent, perceptive, attentive)
1
advertent(correct, intelligent, perceptive, attentive)
1
alive(correct, intelligent, perceptive, attentive)
1
attentive(intelligent, watchful, sharp-eyed)
1
bright(intelligent, perceptive, attentive, watchful)
1
clear-sighted(correct, intelligent, perceptive, attentive)
1
comprehending(correct, intelligent, perceptive, attentive)
1
considering(correct, intelligent, perceptive, attentive)
1
contemplating(correct, intelligent, perceptive, attentive)
1
correct(intelligent, perceptive, attentive, watchful)
1
deducing(correct, intelligent, perceptive, attentive)
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APASmart Define. (2015). searching thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/searching/thesaurus/synonyms
ChicagoSmart Define. 2015. "searching thesaurus" https://smartdefine.org/searching/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, searching thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/searching/thesaurus/synonyms>.
MLASmart Define. "searching thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/searching/thesaurus/synonyms>