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- Dictionaryper·ni·cious/pərˈniSHəs/
adjective
- 1. having a harmful effect, especially in a gradual or subtle way: "the pernicious influences of the mass media"
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The meaning of PERNICIOUS is highly injurious or destructive : deadly. How to use pernicious in a sentence. insidious, sinister, or pernicious? Synonym Discussion of Pernicious.
Pernicious definition: causing insidious harm or ruin; ruinous; injurious; hurtful. See examples of PERNICIOUS used in a sentence.
having a very harmful effect or influence: The cuts in government funding have had a pernicious effect on local health services. SMART Vocabulary: related words and phrases. Dangerous and harmful. adverse conditions. adverse effect. adverse publicity. adverse reaction. deleteriously. destabilizing. destructively. destructiveness. inimically.
Pernicious means harmful and subtle, such as a poison gas that causes illness in those exposed to it over the course of years.
If you describe something as pernicious, you mean that it is very harmful. Parents are blaming not only peer pressure but also the pernicious influence of the internet. There is a pernicious culture of excellence: everything has to be not merely good but the best. Collins COBUILD Advanced Learner’s Dictionary.
having a very harmful effect or influence: The cuts in government funding have had a pernicious effect on local health services. SMART Vocabulary: related words and phrases. Dangerous and harmful. adverse conditions. adverse effect. adverse publicity. adverse reaction. deleteriously. destabilizing. destructively. destructiveness. impact statement.
Define pernicious. pernicious synonyms, pernicious pronunciation, pernicious translation, English dictionary definition of pernicious. adj. 1. Tending to cause death or serious injury; deadly: a pernicious virus. 2. Causing great harm; destructive: pernicious rumors. per·ni′cious·ly adv....
Definition of pernicious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A complete guide to the word "PERNICIOUS": definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.
PERNICIOUS definition: very harmful. Learn more.
