336 entries under adjective topic. ×

5
impolite(careless, thoughtless, unkind, insensitive)
5
insane(foolish, unreasonable, illogical)
5
lumpish
5
nonsensical(dull, foolish, stupid, unreasonable)
5
perfunctory(cold, indifferent, useful, casual)
5
undesigned(unknowing, necessity, unaware, unplanned)
5
unintelligent(dull, simple, slight, silly)
5
unintended(careless, thoughtless, inconsiderate, unwilling)
5
unperceiving(careless, indifferent, apathetic, distracted)
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unperceptive(sharp, rough, careless, casual)
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unplanned(impulsive, rash, unknowing, unaware)
5
unreflecting(violent, fierce, ardent, impulsive)
5
visceral(natural, emotional, instinctive, automatic)
5
witless(dull, simple, slow, careless)
4
absent-minded(careless, indifferent, foolish, stupid)
4
basic(gut, intuitive)
4
bold(careless, thoughtless, impulsive, rash)
4
brash(sharp, rough, rude, careless)
4
deep-seated(gut, intuitive)
4
emotional(gut, intuitive)
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APASmart Define. (2015). unthinking thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unthinking/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthinking thesaurus" https://smartdefine.org/unthinking/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unthinking thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unthinking/thesaurus/synonyms>.
MLASmart Define. "unthinking thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/unthinking/thesaurus/synonyms>