- Definitions|2
- Thesaurus|3.8k
- Abbreviations|0
127 entries under irrational topic. ×
| demented(adjective, wrong, wild, strange, silly) | |
| kooky(adjective, weak, simple, wrong, wild) | |
| cockamamie(adjective, weak, simple, wrong, silly) | |
| flighty(adjective, simple, slight, careless, silly) | |
| giddy(adjective, simple, rough, careless, silly) | |
| impetuous(adjective, rough, careless, crazy, thoughtless) | |
| madcap(adjective, rough, careless, silly, crazy) | |
| eccentric(adjective, wild, strange, silly, crazy) | |
| erratic(adjective, wrong, wild, strange, silly) | |
| incongruous(adjective, silly, stupid, insignificant, unreasonable) | |
| inconsistent(adjective, simple, wrong, silly, stupid) | |
| fallacious(adjective, unreasonable, absurd, illogical) | |
| potty(adjective, wild, silly, stupid, crazy) | |
| reasonless(stupid, unreasonable, senseless, illogical) | |
| unreasoning(careless, stupid, unreasonable, thoughtless) | |
| vacant(adjective, careless, indifferent, silly, stupid) | |
| capricious(careless, stupid, senseless, negligent) | |
| flaky(adjective, wrong, wild, silly, stupid) | |
| inconsequential(adjective, stupid, trivial, senseless) | |
| invalid(adjective, unreasonable, fantastic, absurd) |
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| APA | Smart Define. (2016). foolish thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, foolish thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>. |
| MLA | Smart Define. "foolish thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms> |