87 entries under careless topic. ×

2
bizarre(adjective, strange, silly, foolish)
2
boorish(adjective, dull, sharp, rough, slow)
2
clumsy(adjective, dull, simple, sharp, flat)
2
heedless(adjective, dull, wild, silly)
2
imperceptive(adjective, foolish, thoughtless, insensitive)
2
inadvertent(unthinking, obtuse, unperceptive, unobservant)
2
lamebrained(dull, simple, silly, limited)
2
remiss(adjective, foolish, senseless, irrational)
2
rude(adjective, sharp, rough, harsh, offensive)
2
undiplomatic(adjective, sharp, rough, informal)
2
unfeeling(sharp, rough, thoughtless, senseless)
2
unstable(foolish, unreasonable, unthinking, illogical)
1
absent-minded(vague, unthinking, obtuse, unperceptive)
1
blundering(simple, sharp, rough, vulgar)
1
brash(sharp, rough, silly, crazy)
1
bungling(simple, sharp, rough, thoughtless)
1
crude(adjective, sharp, rough, slow, harsh)
1
discourteous(adjective, sharp, rough, harsh, rude)
1
flighty(vague, absurd, unthinking, obtuse)
1
gauche(dull, sharp, flat, rough, slow)
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APASmart Define. (2016). stupid thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stupid/thesaurus/synonyms
ChicagoSmart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, stupid thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stupid/thesaurus/synonyms>.
MLASmart Define. "stupid thesaurus" 2 April 2016. Web. 27 September 2026. <https://smartdefine.org/stupid/thesaurus/synonyms>