noun
- The sister of your spouse. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sister-in-law. Retrieved September 26, 2026, from http://smartdefine.org/sister-in-law/definitions/1324675 |
| Chicago | WordNet. 2010. "sister-in-law" http://smartdefine.org/sister-in-law/definitions/1324675 (accessed September 26, 2026). |
| Harvard | WordNet 2010, sister-in-law, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/sister-in-law/definitions/1324675>. |
| MLA | WordNet. "sister-in-law" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/sister-in-law/definitions/1324675> |