92 entries under silly topic. ×
| crazy(adjective, strange, foolish, insane) | |
| aper(noun, adjective, mad, insane) | |
| cuckoo(foolish, crazy, mad, insane) | |
| bats in the belfry(expression, adjective, idiom, mad) | |
| delirious(adjective, foolish, crazy, mad) | |
| deranged(adjective, foolish, crazy, mad) | |
| flipped(adjective, strong, severe, intense, violent) | |
| flipped out(expression, foolish, crazy, mad) | |
| freaked out(expression, foolish, mad, insane) | |
| loony(adjective, foolish, crazy, unwise) | |
| mad(foolish, crazy, insane, irrational) | |
| mad as a March hare(expression, adjective, idiom, mad) | |
| mad as a hatter(expression, adjective, idiom, mad) | |
| mentally strange(expression, foolish, mad, insane) | |
| nuts(foolish, crazy, mad, insane) | |
| nutty(foolish, crazy, mad, insane) | |
| nutty as fruitcake(expression, adjective, idiom, mad) | |
| of unsound mind(expression, adjective, idiom, mad) | |
| out to lunch(expression, adjective, idiom, mad) | |
| outrageous(adjective, foolish, unwise) |
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| APA | Smart Define. (2015). ape thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ape/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ape thesaurus" https://smartdefine.org/ape/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, ape thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ape/thesaurus/synonyms>. |
| MLA | Smart Define. "ape thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/ape/thesaurus/synonyms> |