498 entries under adjective topic. ×

8
lunatic(weak, simple, knowledge, ability)
8
nuts(simple, rough, wild, strange)
8
outrageous(rough, careless, wild, strange)
8
screwy(wild, silly, stupid, crazy)
8
shallow(dull, slight, silly, stupid)
8
weak(simple, silly, thoughtless, absurd)
7
anserine
7
demented(wrong, wild, strange, silly)
7
dizzy(scatterbrained, flighty)
7
jerky(weak, simple, knowledge, slang)
7
kooky(weak, simple, wrong, wild)
7
meaningless(dull, simple, slight, slow)
7
misguided(thoughtless, rash, unwise, risky)
7
short-sighted(fantastic, thoughtless, unwise, unthinking)
7
soft(silly, stupid, green, fat)
7
thick(dull, simple, slow, silly)
7
trivial(dull, simple, slight, offensive)
7
weird(strange, silly, fantastic, odd)
6
blockheaded(impulsive, impractical, half-baked, doomed)
6
cockamamie(weak, simple, wrong, silly)
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APASmart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>