259 entries under adjective topic. ×

5
halfwitted
5
ignorant(simple, slow, silly, foolish)
5
nuts(stupid, crazy, insane)
5
risible
5
thickheaded(slow, stupid)
4
balmy(knowledge, slang, ability, stupid)
4
cockeyed(knowledge, ability, informal, impractical)
4
blockheaded(slow, foolish, stupid, impulsive)
4
childish
4
crackpot(foolish, impractical, half-baked, doomed)
4
gormless
4
hare-brained
4
illogical(silly, stupid, insignificant, unreasonable)
4
irresponsible(foolish, stupid, impractical, half-baked)
4
jerky(weak, simple, knowledge, slang)
4
pointless(dull, simple, slow, silly)
4
simpleminded(dull, simple, silly, foolish)
4
stolid(dull, simple, slow, foolish)
4
thick-witted(foolish, stupid, crazy, insane)
3
blithering
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APASmart Define. (2016). moronic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/moronic/thesaurus/synonyms
ChicagoSmart Define. 2016. "moronic thesaurus" https://smartdefine.org/moronic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, moronic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/moronic/thesaurus/synonyms>.
MLASmart Define. "moronic thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/moronic/thesaurus/synonyms>