noun
- A person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship.
- synonyms: domestic partner, spousal equivalent, spouse equivalent
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). significant other. Retrieved September 22, 2026, from http://smartdefine.org/significant_other/definitions/1310671 |
| Chicago | WordNet. 2010. "significant other" http://smartdefine.org/significant_other/definitions/1310671 (accessed September 22, 2026). |
| Harvard | WordNet 2010, significant other, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/significant_other/definitions/1310671>. |
| MLA | WordNet. "significant other" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/significant_other/definitions/1310671> |