494 entries under adjective topic. ×

3
inactive(dull, heavy, apathetic, sluggish)
3
inapt(suitable, incompetent, imbecility folly, unskillfulness)
3
inattentive(dull, careless, foolish, vague)
3
incompetent(weak, idle, worthless, inept)
3
incongruous(dull, flat, slow, silly)
3
inconsiderate(sharp, rough, harsh, rude)
3
indiscreet(dull, weak, simple, sharp)
3
inexperienced(dull, flat, slow, silly)
3
listless(energy, sluggish, lazy, lethargic)
3
lunatic(weak, simple, silly, foolish)
3
naive(dull, simple, slow, foolish)
3
oafish(dull, simple, slow, vulgar)
3
prosy(dull, flat, ordinary, dry)
3
purposeless(weak, silly, insignificant, idle)
3
rattle-brained
3
reckless(careless, silly, foolish, crazy)
3
rustic(rough, crude, uncouth, lout)
3
screwball(silly, foolish, unwise)
3
shortsighted(dull, intelligent, unintelligent, witless)
3
stuporous(action, informal, lethargic)
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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>