Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of pernicious is as below...

Deleterious :: Deleterious (a.) Hurtful; noxious; destructive; pernicious; as, a deleterious plant or quality; a deleterious example..

Scathful :: Scathful (a.) Harmful; doing damage; pernicious.

Infect :: Infect (v. t.) To communicate to or affect with, as qualities or emotions, esp. bad qualities; to corrupt; to contaminate; to taint by the communication of anything noxious or pernicious..

Malignity :: Malignity (n.) Extreme evilness of nature or influence; perniciousness; heinousness; as, the malignity of fraud..

Blast :: Blast (n.) A sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight..

Noxious :: Noxious (a.) Hurtful; harmful; baneful; pernicious; injurious; destructive; unwholesome; insalubrious; as, noxious air, food, or climate; pernicious; corrupting to morals; as, noxious practices or examples..

Pernicious :: Pernicious (a.) Quick; swift (to burn).

Ruinous :: Ruinous (a.) Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project..

Balefully :: Balefully (adv.) In a baleful manner; perniciously.

Worst :: Worst (n.) That which is most bad or evil; the most severe, pernicious, calamitous, or wicked state or degree..

Misbegotten :: Misbegotten (p. a.) Unlawfully or irregularly begotten; of bad origin; pernicious.

Destructive :: Destructive (a.) Causing destruction; tending to bring about ruin, death, or devastation; ruinous; fatal; productive of serious evil; mischievous; pernicious; -- often with of or to; as, intemperance is destructive of health; evil examples are destructive to the morals of youth..

Blasting :: Blasting (n.) A blast; destruction by a blast, or by some pernicious cause..

Pestilential :: Pestilential (a.) Hence: Mischievous; noxious; pernicious; morally destructive.

Bale :: Bale (n.) Evil; an evil, pernicious influence; something causing great injury..

Wicked :: Wicked (a.) Cursed; baneful; hurtful; bad; pernicious; dangerous.

Baleful :: Baleful (a.) Full of deadly or pernicious influence; destructive.

Invasion :: Invasion (n.) The incoming or first attack of anything hurtful or pernicious; as, the invasion of a disease..

Pernicious :: Pernicious (a.) Having the quality of injuring or killing; destructive; very mischievous; baleful; malicious; wicked.

Pestilent :: Pestilent (a.) Pestilential; noxious; pernicious; mischievous.

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