- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
414 entries under adjective topic. ×
| illogical(false, foolish, unstable, unreasonable) | |
| laughable | |
| off one's rocker(idiom, foolish, ill, sane) | |
| queer(crazy, cuckoo) | |
| schizoid | |
| sick(crazy, mad, ill, unhealthy) | |
| tomfool(knowledge, ability, foolish) | |
| unthinking(foolish, unreasonable, illogical) | |
| violent(wild, mad, vicious, fierce) | |
| reckless(silly, thoughtless, unwise) | |
| abnormal(fanatical, preoccupied, infatuated, neurotic) | |
| bats | |
| bughouse | |
| disconnected(foolish, unreasonable, chaotic, illogical) | |
| fantastic(weak, simple, strange, silly) | |
| feverish | |
| flaky(simple, silly, foolish, crazy) | |
| hare-brained(silly, foolish, crazy, zany) | |
| imprudent(weak, simple, silly, foolish) | |
| incoherent(foolish, hot, unreasonable, chaotic) |
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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> |