146 entries under indifferent topic. ×

4
slapdash(adjective, careless, casual, quick)
4
uninvolved(adjective, detached, distant, apathetic)
4
unreasoning(adjective, dull, careless, thoughtless)
4
untroubled(adjective, feature, state, trait)
3
cool(adjective, feature, state, trait)
3
derelict(adjective, careless, coarse, unconcerned)
3
easy(adjective, feature, state, trait)
3
loose(adjective, careless, dirty, casual)
3
lost(adjective, careless, apathetic, remote)
3
rude(adjective, sharp, careless, coarse)
3
slipshod(adjective, careless, casual, thoughtless)
3
slovenly(adjective, careless, sloppy, inattentive)
3
undiscerning(adjective, careless, apathetic, unconcerned)
3
unworried(adjective, feature, state, trait)
2
blase(detached, distant, apathetic, unfeeling)
2
bored(adjective, dull, careless, apathetic)
2
cold(adjective, person, evil, detached)
2
delinquent(adjective, slow, careless, coarse)
2
impassive(adjective, dull, unsympathetic, sluggish)
2
phlegmatic(adjective, dull, detached, distant)
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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>