noun
- Subtle and cumulative harmfulness (especially of a disease. )
- The quality of being designed to entrap. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). insidiousness. Retrieved September 21, 2026, from http://smartdefine.org/insidiousness/definitions/1210850 |
| Chicago | WordNet. 2010. "insidiousness" http://smartdefine.org/insidiousness/definitions/1210850 (accessed September 21, 2026). |
| Harvard | WordNet 2010, insidiousness, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/insidiousness/definitions/1210850>. |
| MLA | WordNet. "insidiousness" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/insidiousness/definitions/1210850> |