Synonyms|1.1kAntonyms|346|Broader|15Narrower|3Related|1.9k

34 entries under careless topic. ×

8
heedless(adjective, happy, careful, superficial)
7
inconsiderate(adjective, person, kind, happy)
6
inattentive(adjective, happy, superficial, flippant)
6
rude(adjective, happy, superficial, flippant)
5
unthinking
4
uncaring(adjective, happy, superficial, flippant)
4
negligent(adjective, happy, superficial, flippant)
4
remiss(adjective, happy, careful, thoughtless)
4
superficial(adjective, happy, sensible, deep)
4
tactless(adjective, unthinking, tactful)
4
uncivil(adjective, happy, superficial, flippant)
4
unthoughtful(adjective, happy, safe, tactful)
3
idiotic(adjective, reasonable, smart, happy)
3
impolite(adjective, happy, superficial, flippant)
3
mean(verb, adjective, happy, superficial)
3
stupid(adjective, sharp, happy, intelligent)
3
unmannerly(adjective, happy, superficial, flippant)
2
discourteous(adjective, happy, superficial, flippant)
2
flippant(adjective, happy, superficial)
2
incautious(adjective, happy, careful, superficial)
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ChicagoSmart Define. 2016. "thoughtful thesaurus" https://smartdefine.org/thoughtful/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, thoughtful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thoughtful/thesaurus/antonyms>.
MLASmart Define. "thoughtful thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/thoughtful/thesaurus/antonyms>