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perniciousness |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pernicious \Per*ni"cious\, a. [L. perniciosus, from pernicies destruction, from pernecare to kill or slay outright; per + necare to kill, slay: cf F. pernicieux Cf {Nuisance}, {Necromancy}.] Having the quality of injuring or killing; destructive; very mischievous; baleful; malicious; wicked. Let this pernicious hour Stand aye accursed in the calendar. --Shak. Pernicious to his health. --Prescott. Syn: Destructive; ruinous; deadly; noxious; injurious; baneful; deleterious; hurtful; mischievous. -- {Per*ni"cious*ly}, adv., -- {Per*ni"cious*ness}, n. From WordNet r 1.6 [wn]: perniciousness n : grave harmfulness or deadliness [syn: {toxicity}]
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