- Definitions|0
- Thesaurus|95
- Abbreviations|0
94 entries under silly topic. ×
| foolhardy(foolish, unwise) | |
| foolish | |
| goofy(foolish, unwise) | |
| half-baked(foolish, unwise) | |
| harebrained(foolish, unwise) | |
| ill-conceived(foolish, unwise) | |
| impracticable(foolish, unwise) | |
| imprudent(foolish, unwise) | |
| inane(foolish, unwise) | |
| inappropriate(foolish, unwise) | |
| irrational(foolish, unwise) | |
| irresponsible(foolish, unwise) | |
| loony(foolish, unwise) | |
| ludicrous(foolish, unwise) | |
| nonsensical(foolish, unwise) | |
| odd(foolish, unwise) | |
| out of all reason(expression, idiom, foolish, unwise) | |
| outlandish(foolish, unwise) | |
| outrageous(foolish, unwise) | |
| peculiar(foolish, unwise) |
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| APA | Smart Define. (1970). mentally strange thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mentally_strange/thesaurus/synonyms |
| Chicago | Smart Define. 1970. "mentally strange thesaurus" https://smartdefine.org/mentally_strange/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 1970, mentally strange thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mentally_strange/thesaurus/synonyms>. |
| MLA | Smart Define. "mentally strange thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/mentally_strange/thesaurus/synonyms> |