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

71 entries under adjective topic. ×

1
impolitic
1
imprudent(kind, happy, careless, prudent)
1
impulsive(cautious, tending)
1
indiscreet(happy, careless, superficial, flippant)
1
insensible
1
insensitive
1
insouciant
1
listless
1
nonchalant
1
ruthless
1
self-righteous
1
unguarded(thoughtless, unwary)
1
unrefined(happy, careless, superficial, flippant)
1
unserious(happy, careless, sober, superficial)
1
unwary(thoughtless, heedless)
0
carefree
0
incurious
0
indelicate
0
insensate
0
irrational(sound, happy, careless, rational)
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APASmart Define. (2016). thoughtful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thoughtful/thesaurus/antonyms
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>