- Definitions|2
- Thesaurus|3.2k
- Abbreviations|0
414 entries under adjective topic. ×
| homicidal | |
| ill(false, unstable, sick, shaky) | |
| ill-advised(weak, simple, silly, foolish) | |
| incautious(weak, simple, silly, foolish) | |
| inconsistent | |
| incredible | |
| indefinite | |
| indiscreet(weak, simple, silly, foolish) | |
| indistinct | |
| inexact | |
| infatuated(controlled, fanatical, preoccupied, obsessed) | |
| injudicious(weak, simple, silly, foolish) | |
| irregular | |
| lax | |
| loose | |
| mad as a hatter(expression, idiom, silly, foolish) | |
| madcap(silly, crazy, zany) | |
| messy | |
| muddled | |
| obscure |
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| APA | Smart Define. (2015). insane thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insane thesaurus" https://smartdefine.org/insane/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, insane thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>. |
| MLA | Smart Define. "insane thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms> |