14 entries under careless topic. ×

9
prudent(adjective, sharp, intelligent, imprudent)
7
wise(adjective, reasonable, sharp, foolish)
2
judicious(foolish, unsound)
2
perceptive
1
canny(open, honest)
1
cognitive
1
penetrative(clumsy, unperceptive)
1
rational
1
thoughtful(adjective, sharp, happy, intelligent)
0
discreet
0
heads up(expression, dull, indifferent)
0
hep
0
on the job(expression, idiom, dull, indifferent)
0
on the lookout(expression, idiom, dull, indifferent)
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APASmart Define. (2016). stupid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stupid/thesaurus/antonyms
ChicagoSmart Define. 2016. "stupid thesaurus" https://smartdefine.org/stupid/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, stupid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stupid/thesaurus/antonyms>.
MLASmart Define. "stupid thesaurus" 2 April 2016. Web. 28 September 2026. <https://smartdefine.org/stupid/thesaurus/antonyms>