- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
169 entries under insane topic. ×
| nutty as fruitcake(expression, idiom, silly, foolish, mad) | |
| rash(adjective, crazy, mad, odd) | |
| reckless(adjective, crazy, mad, odd) | |
| round the bend(expression, idiom, silly, foolish, mad) | |
| screw loose(expression, silly, foolish, mad) | |
| unstable(false, mad, ill, shaky) | |
| agonized(adjective, crazy, mad, odd) | |
| ape(silly, foolish, crazy, mad) | |
| babbling | |
| birdbrained(silly, foolish, crazy, unintelligent) | |
| bizarre(adjective, wrong, wild, silly, foolish) | |
| blithering | |
| brain-sick | |
| crazy as a loon(expression, adjective, idiom, crazy, confused) | |
| derailed(adjective, wrong, wild, silly, foolish) | |
| dingy(silly, foolish, mad, unwise) | |
| dull(silly, foolish, crazy, unintelligent) | |
| erratic(adjective, wild, silly, foolish, crazy) | |
| fantastical(adjective, crazy, mad, odd) | |
| feverish |
For more, visit
Lunatic on
Power Thesaurus
| APA | Smart Define. (2015). lunatic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lunatic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lunatic thesaurus" https://smartdefine.org/lunatic/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, lunatic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lunatic/thesaurus/synonyms>. |
| MLA | Smart Define. "lunatic thesaurus" 6 August 2015. Web. 29 September 2026. <https://smartdefine.org/lunatic/thesaurus/synonyms> |