40 entries under alert topic. ×

1
eagle-eyed(correct, intelligent, perceptive, attentive)
1
heedful(intelligent, attentive, watchful, sharp-eyed)
1
intentive(adjective, correct, sympathetic, intelligent)
1
interested(adjective, feeling, understanding, kind, warm)
1
keen(smart, bright, intelligent, attentive)
1
not missing a trick(expression, adjective, idiom, intelligent)
1
obedient(correct, intelligent, perceptive, attentive)
1
observative(adjective, correct, sympathetic, intelligent)
1
on the ball(expression, idiom, intelligent, attentive)
1
penetrating(adjective, correct, smart, bright)
1
questioning(correct, intelligent, perceptive, attentive)
1
quick(smart, bright, intelligent, attentive)
1
regardful(correct, intelligent, attentive, watchful)
1
searching(correct, intelligent, perceptive, attentive)
1
sensitive(adjective, feeling, understanding, kind, warm)
1
sharp-eyed(adjective, correct, sympathetic, intelligent)
1
surveying(correct, intelligent, perceptive, attentive)
1
vigilant(intelligent, attentive, watchful, sharp-eyed)
1
wide-awake(intelligent, perceptive, attentive, watchful)
0
watchful(intelligent, attentive, sharp-eyed)
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APASmart Define. (2015). comprehending thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/comprehending/thesaurus/synonyms
ChicagoSmart Define. 2015. "comprehending thesaurus" https://smartdefine.org/comprehending/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, comprehending thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/comprehending/thesaurus/synonyms>.
MLASmart Define. "comprehending thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/comprehending/thesaurus/synonyms>