(adj.) - causing great injury or destruction; fatal
No, the word 'pernicious' is an adjective, a word used to describe a noun as very destructive or harmful.The noun form of the adjective pernicious is perniciousness.
The storm was very pernicious (Destructive) in strength. John was a very pernicious (Spiteful) person. He also had a very pernicious (Evil) nature. His words were pernicious (Malicious) in there content. The heretic teaching of David Koresh was very pernicious to the members of the Branch Davidians Compound.
dangerous, Pernicious, malicious
Pernicious, violent, malignant, fatal
She had always believed that her daughter's new friend was a pernicious influence on her, but she never thought the two of them would end up in prison for decades.The most pernicious aspect of this myth is that it sounds completely plausible.AIDS turned out to be one of the most pernicious diseases ever to afflict mankind.
The pernicious effects of jealousy.
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The Pernicious Enigma was created in 1997.
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the meaning of a word
Pernicious Anemia