56 entries under adjective topic. ×

12
overprotective
7
attentive(careless, careful, considerate, concentrating)
7
shy
7
thoughtful(happy, careless, careful, caring)
6
careful(false, loose, reckless)
6
prudent
5
cautious(careless, careful, reckless, guarded)
5
heedful
4
observant(careless, careful, unobservant)
4
chary(careless, careful, cautious)
4
considerate(mean, hard, inconsiderate)
4
wary(careless, certain, careful, cautious)
3
intelligent(feature, speech, conduct, dullness)
3
mindful(quiet, careless, aware, attentive)
3
watchful
2
aware(unfriendly, unaware)
2
circumspect
2
concerned
2
conscious(uncertain, doubtful, dubious)
2
courteous(mean, rude)
<123>
10 years ago|2.2k views|share |citing 
APASmart Define. (2016). heedless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heedless/thesaurus/antonyms
ChicagoSmart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heedless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heedless/thesaurus/antonyms>.
MLASmart Define. "heedless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/heedless/thesaurus/antonyms>