78 entries under foolish topic. ×
| imbecilic(adjective, dull, simple, slow, silly) | |
| inane(adjective, dull, simple, slow, silly) | |
| stolid(adjective, dull, simple, slow) | |
| silly(adjective, stupid, crazy, vague) | |
| crazy(adjective, impulsive, insane, unintelligent) | |
| nonsensical(adjective, dull, stupid, half-baked) | |
| thick-witted(adjective, ability, stupid, crazy) | |
| unintelligent(adjective, dull, simple, slow, silly) | |
| blockheaded(adjective, dull, simple, ability, slow) | |
| dimwitted(adjective, dull, simple, slang, ability) | |
| loony(adjective, impractical, unintelligent, half-baked) | |
| witless(adjective, dull, simple, slow, silly) | |
| ignorant(adjective, dull, simple, slow, silly) | |
| absurd(adjective, impractical, unintelligent, half-baked) | |
| empty-headed(adjective, simple, silly, stupid) | |
| daft(adjective, simple, slow, silly) | |
| half-baked(adjective, dull, simple, slow, silly) | |
| imbecile(adjective, dull, simple, silly) | |
| senseless(adjective, dull, simple, slow, silly) | |
| dotty |
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| APA | Smart Define. (2016). dumb thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, dumb thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>. |
| MLA | Smart Define. "dumb thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms> |