140 entries under inattentive topic. ×

5
dreamy(adjective, careless, indifferent, apathetic, unconcerned)
5
insensitive(adjective, dull, sharp, rude, careless)
5
lackadaisical(adjective, indifferent, cheerful, casual, unsympathetic)
5
lax(adjective, feature, state, careless, indifferent)
5
offhand(adjective, careless, indifferent, casual, thoughtless)
5
oscitant(noun, adjective, cold, forget, uncaring)
5
slack(noun, adjective, careless, indifferent, loose)
5
unobliging(adjective, cold, forget, uncaring)
5
unsolicitous(adjective, cold, forget, uncaring)
4
carefree(adjective, feature, state, careless, indifferent)
4
harebrained(adjective, careless, wild, silly, stupid)
4
insensible(adjective, indifferent, unconcerned, unsympathetic, ignorant)
4
mooning(adjective, careless, silly, foolish, remote)
4
napping(adjective, careless, casual, thoughtless)
4
slapdash(adjective, careless, indifferent, casual, quick)
4
uninvolved(adjective, indifferent, detached, distant, apathetic)
4
untroubled(adjective, feature, state, indifferent, trait)
3
befuddled
3
derelict(adjective, careless, indifferent, coarse, unconcerned)
3
easy(adjective, feature, state, indifferent, trait)
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APASmart Define. (2016). heedless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/heedless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, heedless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/heedless/thesaurus/synonyms>.
MLASmart Define. "heedless thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/heedless/thesaurus/synonyms>