120 entries under foolish topic. ×

3
simple-minded(adjective, simple, slow, silly)
3
slow(adjective, dull, simple, silly)
3
stolid(adjective, dull, simple, slow)
3
weak(simple, silly, thoughtless, unwise)
2
cockamamy(adjective, silly, thoughtless, unwise)
2
deficient(adjective, dull, silly, stupid)
2
deranged(simple, silly, stupid, unsound)
2
feebleminded(adjective, weak, simple, silly)
2
impolitic(rash, risky)
2
imprudent(weak, simple, careless, silly)
2
inadvisable(rash, risky)
2
indiscreet(dull, weak, simple, careless, silly)
2
inept(careless, stupid, rash, risky)
2
injudicious(weak, simple, careless, silly)
2
mentally deficient(expression, silly, stupid)
2
misguided(rash, risky)
2
out of it(expression, adjective, idiom, silly)
2
preposterous(weak, simple, silly, thoughtless)
2
short-sighted(adjective, weak, simple, silly)
2
simpleminded(dull, silly, stupid, unintelligent)
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APASmart Define. (2015). witless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/witless/thesaurus/synonyms
ChicagoSmart Define. 2015. "witless thesaurus" https://smartdefine.org/witless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, witless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/witless/thesaurus/synonyms>.
MLASmart Define. "witless thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/witless/thesaurus/synonyms>