167 entries under alert topic. ×

13
conscious(adjective, understanding, reasonable, keen, sensible)
13
open-eyed(adjective, feature, characteristic, keen, detail)
13
scrupulous(adjective, careful, thoughtful, sober)
11
perceptive(adjective, understanding, sharp, bright, lively)
10
interested(adjective, active, caring, intelligent)
9
guarded(adjective, reasonable, keen, sensible, deliberate)
9
observing(adjective, understanding, kind, keen, sensible)
9
on the ball(expression, adjective, idiom, adverb, keen)
7
advertent(intelligent, watchful, observant, sharp-eyed)
7
discreet(adjective, understanding, kind, reasonable, sensible)
7
sentient(adjective, understanding, reasonable, keen, sensible)
7
sharp-eyed(adjective, intelligent, watchful, vigilant)
6
alive(adjective, adverb, sharp, familiar)
6
cognizant(adjective, understanding, reasonable, keen, sensible)
6
helpful(adjective, good, kind, friendly, tender)
6
keen(adjective, understanding, kind, sensible, certain)
6
ready(adjective, adverb, sharp, bright, lively)
6
responsive(adjective, understanding, kind, keen, sensible)
6
sensitive(adjective, understanding, kind, friendly)
6
wakeful(adjective, keen, careful, restless)
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APASmart Define. (2016). attentive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/attentive/thesaurus/synonyms
ChicagoSmart Define. 2016. "attentive thesaurus" https://smartdefine.org/attentive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, attentive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/attentive/thesaurus/synonyms>.
MLASmart Define. "attentive thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/attentive/thesaurus/synonyms>