What is the meaning of perniciousness?

noun

  • Grave harmfulness or deadliness.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). perniciousness. Retrieved September 20, 2026, from http://smartdefine.org/perniciousness/definitions/1210504
ChicagoWordNet. 2010. "perniciousness" http://smartdefine.org/perniciousness/definitions/1210504 (accessed September 20, 2026).
HarvardWordNet 2010, perniciousness, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/perniciousness/definitions/1210504>.
MLAWordNet. "perniciousness" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/perniciousness/definitions/1210504>