173 entries under foolish topic. ×
| schizophrenic(noun, adjective, silly, stupid) | |
| unreasonable(adjective, weak, simple, stupid) | |
| unstable(careless, stupid, unreasonable, unthinking) | |
| ape(adjective, silly, crazy, unwise) | |
| bizarre(adjective, wild, strange, silly) | |
| cockamamy(silly, thoughtless, unwise, unintelligent) | |
| erratic(adjective, wild, silly, crazy) | |
| fantastic(weak, simple, silly, thoughtless) | |
| flipped(silly, unwise) | |
| frenzied(adjective, wrong, wild, silly) | |
| half-baked(weak, simple, careless, stupid) | |
| hare-brained(adjective, silly, crazy, zany) | |
| mindless(adjective, careless, stupid, unreasonable) | |
| nitwit | |
| outlandish(adjective, silly, unwise) | |
| outrageous(adjective, silly, fantastic, unwise) | |
| psychopathic(adjective, silly, stupid, crazy) | |
| raving(adjective, silly, stupid, crazy) | |
| reasonless(unreasonable, illogical) | |
| unsettled(silly, stupid, crazy, senseless) |
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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> |