noun
- A line marking the highest level reached. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). high-water mark. Retrieved September 20, 2026, from http://smartdefine.org/high-water_mark/definitions/1324201 |
| Chicago | WordNet. 2010. "high-water mark" http://smartdefine.org/high-water_mark/definitions/1324201 (accessed September 20, 2026). |
| Harvard | WordNet 2010, high-water mark, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/high-water_mark/definitions/1324201>. |
| MLA | WordNet. "high-water mark" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/high-water_mark/definitions/1324201> |