173 entries under foolish topic. ×
| simple(weak, silly, thoughtless, unwise) | |
| strange(silly, fantastic, odd, unconventional) | |
| unintelligent(weak, simple, silly, thoughtless) | |
| unreasoning(careless, stupid, unreasonable, unthinking) | |
| unthinking(careless, stupid, unreasonable, obtuse) | |
| unworkable(silly, fantastic, unwise, impractical) | |
| weak(simple, silly, thoughtless, unwise) | |
| aberrant(unreasonable, illogical) | |
| acting crazy(expression, adjective, silly, crazy) | |
| baseless(unreasonable, illogical) | |
| beyond reason(expression, fantastic, unrealistic) | |
| birdbrained(impractical, unintelligent, half-baked, doomed) | |
| dingy(silly, unwise) | |
| disconnected(unreasonable, illogical) | |
| disjointed(unreasonable, illogical) | |
| enthusiastic(adjective, keen, warm, silly) | |
| fallacious(unreasonable, illogical) | |
| freaked out(expression, silly, unwise) | |
| groundless(unreasonable, illogical) | |
| gung ho(expression, adjective, keen, warm, silly) |
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| APA | Smart Define. (2015). loony thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/loony/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, loony thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>. |
| MLA | Smart Define. "loony thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms> |