130 entries under foolish topic. ×
| childish(adjective, pure, stupid, innocent) | |
| doltish(adjective, dull, weak, slow, silly) | |
| gullible(adjective, dull, silly, stupid) | |
| imbecile(noun, adjective, dull, ability, slow) | |
| imbecilic(adjective, dull, weak, slow, silly) | |
| mindless(adjective, dull, slow, silly) | |
| obtuse(adjective, dull, slow, silly) | |
| empty-headed(adjective, slight, silly, stupid) | |
| idiotic(adjective, dull, weak, slow, silly) | |
| senseless(adjective, dull, weak, slow, silly) | |
| witless(adjective, dull, weak, slow, silly) | |
| feebleminded(adjective, weak, silly, thoughtless) | |
| simpleminded(dull, silly, stupid, clumsy) | |
| tomfool(noun, adjective, weak, ability, fool) | |
| trusting(adjective, open, easy, clean, honest) | |
| wide-eyed(adjective, clean, natural, straightforward) | |
| dopey(adjective, dull, silly, stupid) | |
| absurd(adjective, dull, weak, silly) | |
| deficient(adjective, dull, silly, stupid) | |
| nitwitted(adjective, silly, stupid, intelligent) |
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| APA | Smart Define. (2016). simple thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/simple/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "simple thesaurus" https://smartdefine.org/simple/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, simple thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/simple/thesaurus/synonyms>. |
| MLA | Smart Define. "simple thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/simple/thesaurus/synonyms> |