214 entries under foolish topic. ×
| psychopathic(adjective, silly, stupid, senseless) | |
| puerile(adjective, silly, stupid, fantastic) | |
| round the bend(expression, adjective, idiom, wild, strange) | |
| unthinking(adjective, careless, stupid, unreasonable) | |
| unusual(adjective, keen, warm, strange, silly) | |
| blithering(adjective, insane) | |
| blockheaded(adjective, impulsive, impractical, half-baked) | |
| flighty(adjective, beat, simple, careless, wild) | |
| ill-considered(adjective, weak, simple, silly) | |
| jerky(adjective, light, weak, knowledge, slang) | |
| meaningless(adjective, simple, silly, stupid) | |
| reasonless(unreasonable, illogical, insanity) | |
| unconventional(adjective, unusual, strange, odd) | |
| unsettled(adjective, silly, stupid, hot) | |
| unstable(adjective, wrong, careless, stupid) | |
| warm(adjective, concern, keen, silly) | |
| aberrant(adjective, unusual, wild, strange) | |
| cockamamie(adjective, weak, simple, wrong, silly) | |
| cretinous | |
| dim-witted |
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| APA | Smart Define. (2016). crazy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, crazy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>. |
| MLA | Smart Define. "crazy thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms> |