adjective
- Not admitting of passage or capable of being affected.
- usage: "a material impervious to water"; "someone impervious to argument"
- synonyms: imperviable
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). impervious. Retrieved September 22, 2026, from http://smartdefine.org/impervious/definitions/1176194 |
| Chicago | WordNet. 2010. "impervious" http://smartdefine.org/impervious/definitions/1176194 (accessed September 22, 2026). |
| Harvard | WordNet 2010, impervious, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/impervious/definitions/1176194>. |
| MLA | WordNet. "impervious" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/impervious/definitions/1176194> |