- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
117 entries under crazy topic. ×
| keen(adjective, silly, foolish, mad) | |
| obsessed(adjective, enthusiastic, ill, sick) | |
| off the wall(expression, adjective, idiom, simple, silly) | |
| unusual(adjective, silly, foolish, stupid) | |
| zealous(adjective, silly, foolish, mad) | |
| birdbrained(foolish, impractical, half-baked, doomed) | |
| bugged out(expression, adjective, stupid) | |
| fanatic(cuckoo, queer) | |
| gung ho(expression, adjective, silly, foolish) | |
| mentally incompetent(expression, adjective, stupid) | |
| pixilated(cuckoo, queer) | |
| squirrelly | |
| thick-witted | |
| unpredictable(adjective, silly, foolish, rash) | |
| very stupid(expression, foolish) | |
| warm(adjective, silly, foolish, mad) | |
| way out(expression, adjective, silly, zany) |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |