50 entries under silly topic. ×
| ape(noun, adjective, mad, insane) | |
| bats in the belfry(expression, adjective, idiom, mad) | |
| deranged(adjective, mad, insane, frantic) | |
| mad as a March hare(expression, adjective, idiom, mad) | |
| mad as a hatter(expression, adjective, idiom, mad) | |
| nutty as fruitcake(expression, adjective, idiom, mad) | |
| of unsound mind(expression, adjective, idiom, mad) | |
| out to lunch(expression, adjective, idiom, mad) | |
| potty(adjective, mad, confused, insane) | |
| round the bend(expression, adjective, idiom, mad) | |
| schizo(adjective, mad, confused, insane) | |
| screw loose(expression, adjective, mad, confused) | |
| unglued(adjective, mad, confused, insane) | |
| barmy(adjective, mad, insane) | |
| batty(adjective, mad, insane) | |
| berserk(adjective, mad, insane) | |
| bonkers(adjective, mad, insane) | |
| cracked(adjective, mad, insane) | |
| crazed(adjective, mad, insane, hacked) | |
| cuckoo(adjective, mad, insane) |
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| APA | Smart Define. (2015). aper thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/aper/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "aper thesaurus" https://smartdefine.org/aper/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, aper thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/aper/thesaurus/synonyms>. |
| MLA | Smart Define. "aper thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/aper/thesaurus/synonyms> |