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PERNICIOUS definition: 1. having a very harmful effect or influence: 2. having a very harmful effect or influence: 3…. Learn more.
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.
Add to word list. 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. adverse conditions. adverse effect.
SYNONYMY NOTE: pernicious applies to that which does great harm by insidiously undermining or weakening [pernicious anemia, a pernicious dogma]; baneful implies a harming by or as by poisoning [a baneful superstition]; noxious refers to anything that is injurious to physical or mental health [noxious fumes]; deleterious implies slower, less ...
Pernicious definition: causing insidious harm or ruin; ruinous; injurious; hurtful. See examples of PERNICIOUS used in a sentence.
Pernicious means harmful and subtle, such as a poison gas that causes illness in those exposed to it over the course of years.
Definition of pernicious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Jun 2, 2024 · pernicious ( comparative more pernicious, superlative most pernicious) Causing much harm in a subtle way. Causing death or injury; deadly . (of a person) Insidiously villainous: intending to cause harm, especially in a subtle way.
pernicious. adjective. formal uk / pəˈnɪʃəs / us. Add to word list. Add to word list. very harmful. (Definition of pernicious from the Cambridge Learner's Dictionary © Cambridge University Press)
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....
