240 entries under careless topic. ×

2
gauche(adjective, sharp, rough, insensitive)
2
gruff(adjective, sharp, rough, rude)
2
indolent(adjective, slow, indifferent, casual)
2
instinctive(adjective, impetuous, inconsiderate, unwary)
2
lackadaisical(adjective, slow, indifferent, casual)
2
loose(adjective, wrong, indifferent, foolish)
2
maladroit(adjective, sharp, rough, rude)
2
scatterbrained(adjective, indifferent, foolish, immoral)
2
slow(adjective, indifferent, lethargic, languid)
2
temerarious(adjective, wild, foolish, rash)
2
unnoticing(adjective, indifferent, apathetic, distracted)
2
unobserving(adjective, indifferent, apathetic, distracted)
2
unpremeditated(impetuous, inconsiderate, hasty, unwary)
2
unwitting(adjective, reckless, unintentional, accidental)
2
weak(adjective, feature, state, trait)
1
any old way(expression, adjective, idiom, slow)
1
any which way(expression, idiom, erratic, frivolous)
1
asleep at switch(expression, adjective, idiom, slow)
1
behindhand(adjective, slow, indifferent, sloppy)
1
blundering(sharp, rough, vulgar, insensitive)
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APASmart Define. (2016). thoughtless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thoughtless/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtless thesaurus" https://smartdefine.org/thoughtless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, thoughtless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thoughtless/thesaurus/synonyms>.
MLASmart Define. "thoughtless thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/thoughtless/thesaurus/synonyms>