adverb
- In a harmfully insidious manner.
- usage: "these drugs act insidiously"
- synonyms: insidiously
- In a noxiously baneful way.
- usage: "this banefully poisoned climate"
- synonyms: banefully
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). perniciously. Retrieved September 20, 2026, from http://smartdefine.org/perniciously/definitions/1326057 |
| Chicago | WordNet. 2010. "perniciously" http://smartdefine.org/perniciously/definitions/1326057 (accessed September 20, 2026). |
| Harvard | WordNet 2010, perniciously, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/perniciously/definitions/1326057>. |
| MLA | WordNet. "perniciously" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/perniciously/definitions/1326057> |