130 entries under alert topic. ×

9
meticulous(adjective, exact, careful, attentive)
9
on guard(expression, adjective, idiom, adverb, sharp)
9
on the ball(expression, adjective, idiom, sharp, bright)
8
concerned(adjective, kind, friendly, deliberate)
8
wakeful(adjective, sharp, careful, restless)
7
advertent(adjective, intelligent, attentive, watchful)
7
conscious(adjective, familiar, careful, wise)
7
deliberate(adjective, kind, friendly, polite)
7
solicitous(adjective, kind, deliberate, careful)
6
sharp(adjective, bright, lively, familiar)
5
interested(adjective, caring, intelligent, thoughtful)
4
alive(adjective, familiar, wise, knowledgeable)
4
all ears(expression, adjective, idiom, sharp, excite)
4
apprehensive(adjective, kind, deliberate, familiar)
4
considering(adjective, intelligent, attentive, watchful)
4
helpful(adjective, kind, friendly, careful)
4
on the lookout(expression, adjective, sharp, lively)
4
prepared(adjective, care, careful, cautious)
4
ready(adjective, sharp, bright, lively, active)
4
sensible(adjective, reasonable, familiar, careful)
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APASmart Define. (2015). heedful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heedful/thesaurus/synonyms
ChicagoSmart Define. 2015. "heedful thesaurus" https://smartdefine.org/heedful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, heedful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heedful/thesaurus/synonyms>.
MLASmart Define. "heedful thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/heedful/thesaurus/synonyms>