noun
- An insane person.
- A reckless impetuous irresponsible person.
- synonyms: daredevil, madcap, hothead, swashbuckler, harum-scarum
adjective
- Insane and believed to be affected by the phases of the moon.
- synonyms: moonstruck
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). lunatic. Retrieved September 20, 2026, from http://smartdefine.org/lunatic/definitions/1177871 |
| Chicago | WordNet. 2010. "lunatic" http://smartdefine.org/lunatic/definitions/1177871 (accessed September 20, 2026). |
| Harvard | WordNet 2010, lunatic, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/lunatic/definitions/1177871>. |
| MLA | WordNet. "lunatic" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/lunatic/definitions/1177871> |