255 entries under careless topic. ×

6
apathetic(noun, adjective, dull, sharp, rude)
6
audacious(adjective, rude, wild, thoughtless)
6
faraway(adjective, indifferent, apathetic, remote)
6
sloppy(adjective, indifferent, casual, thoughtless)
6
unwatchful(adjective, cold, forget, bold)
6
withdrawn(adjective, remote, distracted, scatterbrained)
5
absorbed(adjective, unconcerned, remote, vague)
5
daring(adjective, wild, thoughtless, impulsive)
5
dreamy(adjective, indifferent, apathetic, unconcerned)
5
insensitive(adjective, dull, sharp, rude)
5
lax(adjective, feature, state, indifferent)
5
offhand(adjective, indifferent, casual, thoughtless)
5
precipitate(adjective, rude, wild, quick)
5
slack(noun, adjective, indifferent, loose)
5
tactless(adjective, rude, thoughtless, unkind)
5
wanton(adjective, free, wild, reckless)
4
absentminded(adjective, indifferent, apathetic, unconcerned)
4
carefree(adjective, feature, state, indifferent)
4
easygoing(adjective, feature, state, dull)
4
harebrained(adjective, wild, silly, stupid)
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APASmart Define. (2016). heedless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heedless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heedless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heedless/thesaurus/synonyms>.
MLASmart Define. "heedless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heedless/thesaurus/synonyms>