140 entries under careful topic. ×

5
responsible(adjective, attentive, thorough, meticulous)
4
all ears(expression, adjective, idiom, sharp, excite)
4
apprehensive(adjective, kind, deliberate, alert, familiar)
4
cagey(adjective, sharp, lively, cautious)
4
canny(adjective, kind, friendly, polite)
4
gingerly(thoughtful, cautious, prudent, suspicious)
4
helpful(adjective, kind, friendly, alert)
4
on the lookout(expression, adjective, sharp, lively, alert)
4
prepared(adjective, care, alert, cautious)
4
ready(adjective, sharp, bright, lively, active)
4
sensible(adjective, reasonable, alert, familiar)
4
strict(adjective, exact, regular, honorable)
4
tactful(adjective, kind, reasonable, sensible, restrained)
3
defensive(adjective, alert, attentive, protective)
3
fastidious(adjective, thoughtful, sober, honorable)
3
on the job(expression, adjective, idiom, sharp, bright)
3
precise(adjective, thoughtful, sober, refined)
3
preventive(adjective, alert, attentive, protective)
3
wise(adjective, sharp, bright, sensible, lively)
2
au courant(expression, alert, familiar, wise)
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APASmart Define. (2015). heedful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/heedful/thesaurus/synonyms
ChicagoSmart Define. 2015. "heedful thesaurus" https://smartdefine.org/heedful/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, heedful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/heedful/thesaurus/synonyms>.
MLASmart Define. "heedful thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/heedful/thesaurus/synonyms>