514 entries under adjective topic. ×

4
unoccupied
4
unperceptive(sharp, rough, careless, insensitive)
4
unrefined(vulgar, unkind, uncaring, insensitive)
4
unseeing(dull, careless, indifferent, insensitive)
4
unthrifty(nonpreparation, improvident)
3
abrupt(quick, rash, reckless, impetuous)
3
adventurous(careless, wild, impulsive, reckless)
3
antisocial(unkind, uncaring, inconsiderate)
3
blank
3
brute
3
calm(feature, state, trait)
3
capricious(easy, careless, foolish, stupid)
3
cold
3
crude(sharp, rough, careless, insensitive)
3
disrespectful(nasty, rude, cruel, dishonorable)
3
doltish(careless, silly, stupid, vulgar)
3
dreamy(dull, careless, indifferent, apathetic)
3
easy-going(feature, state, trait)
3
egocentric(unkind, uncaring, inconsiderate)
3
faraway(careless, indifferent, apathetic, distracted)
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APASmart Define. (2016). thoughtless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/thoughtless/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, thoughtless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/synonyms>.
MLASmart Define. "thoughtless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/thoughtless/thesaurus/synonyms>