- Definitions|2
- Thesaurus|3.8k
- Abbreviations|0
127 entries under irrational topic. ×
| nutty(adjective, weak, simple, wrong, wild) | |
| unreasonable(adjective, weak, simple, wrong, careless) | |
| mindless(adjective, dull, simple, wrong, ability) | |
| simple(adjective, dull, weak, slight, slow) | |
| foolhardy(adjective, careless, wild, strange, silly) | |
| wacky(adjective, weak, simple, wrong, knowledge) | |
| loony(adjective, weak, simple, wrong, knowledge) | |
| unintelligent(adjective, dull, weak, simple, slight) | |
| rash(adjective, dull, careless, silly, stupid) | |
| thoughtless(adjective, careless, silly, stupid, crazy) | |
| illogical(adjective, wrong, silly, stupid, crazy) | |
| daffy(adjective, weak, simple, silly, stupid) | |
| incautious(adjective, weak, simple, careless, silly) | |
| reckless(adjective, careless, silly, stupid, crazy) | |
| extravagant(adjective, rough, strange, stupid, crazy) | |
| harebrained(adjective, weak, simple, knowledge, ability) | |
| batty(adjective, wild, silly, stupid, crazy) | |
| lunatic(adjective, weak, simple, knowledge, ability) | |
| nuts(adjective, simple, rough, wild, strange) | |
| outrageous(adjective, rough, careless, wild, strange) |
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| APA | Smart Define. (2016). foolish thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, foolish thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>. |
| MLA | Smart Define. "foolish thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms> |