Synonyms|528Antonyms|171|Broader|5Narrower|1Related|1.3k

202 entries under adjective topic. ×

1
know-how(alert, familiar, wise, knowledgeable)
1
knowledgeable(alert, familiar, careful, wise)
1
loath(cautious, suspicious, wary)
1
not missing a trick(expression, idiom, alert, careful)
1
observative(kind, alert, careful, caring)
1
on the alert(expression, idiom, alert, careful)
1
on the watch(expression, idiom, adverb, alert)
1
on toes(expression, adverb, bright, lively)
1
prophylactic(alert, careful, attentive, protective)
1
receptive(alert, familiar, wise, knowledgeable)
1
reluctant(cautious, suspicious, wary)
1
responsive(kind, friendly, alert, polite)
1
reticent
1
roused(conscious, wide-awake, wakeful)
1
sage
1
savvy(alert, familiar, wise, knowledgeable)
1
see after(expression, alert, careful, cautious)
1
see to(expression, alert, careful, cautious)
1
sensitive(kind, friendly, alert, caring)
1
sentient(alert, familiar, wise, knowledgeable)
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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>