- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
112 entries under foolish topic. ×
| half-baked(silly, unwise) | |
| ill-conceived(silly, unwise) | |
| impracticable(silly, unwise) | |
| imprudent(silly, unwise) | |
| irresponsible(silly, unwise) | |
| low-down(adjective, offensive, rude, stupid) | |
| lunatic(silly, unwise) | |
| mad as a March hare(expression, idiom, silly, unwise) | |
| mad as a hatter(expression, idiom, silly, unwise) | |
| maniacal(silly, unwise) | |
| mental(silly, unwise) | |
| mentally strange(expression, silly, unwise) | |
| moonstruck(silly, unwise) | |
| nutty as fruitcake(expression, idiom, silly, unwise) | |
| of unsound mind(expression, idiom, silly, unwise) | |
| out of all reason(expression, idiom, silly, unwise) | |
| out to lunch(expression, idiom, silly, unwise) | |
| potty(silly, unwise) | |
| psycho(silly, unwise) | |
| puerile(silly, unwise) |
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| APA | Smart Define. (2016). outlandish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/outlandish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "outlandish thesaurus" https://smartdefine.org/outlandish/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, outlandish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/outlandish/thesaurus/synonyms>. |
| MLA | Smart Define. "outlandish thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/outlandish/thesaurus/synonyms> |