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1. Dictionary

   Per·ni·cious

   /pərˈniSHəs/

   

   adjective

   • 1. having a harmful effect, especially in a gradual or subtle way: "the pernicious influences of the mass media"

   Word Origin late Middle English: from Latin perniciosus ‘destructive’, from pernicies ‘ruin’, based on nex, nec- ‘death’.

   Derivatives

   • 1. perniciously adverb
   • 2. perniciousness noun

   Scrabble Points: 14

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2. People also ask

   What does pernicious mean?

   • 1. Tending to cause death or serious injury; deadly: a pernicious virus. 2. Causing great harm; destructive: pernicious rumors. [Middle English, from Old French pernicios, from Latin perniciōsus, from perniciēs, destruction : per-, per- + nex, nec-, violent death; see nek- in Indo-European roots .] per·ni′cious·ness n.

   Pernicious - definition of pernicious by The Free Dictionary

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   Can pernicious be used as an adjective?

   • Familiarity information: PERNICIOUS used as an adjective is rare. It may save them from foolish and pernicious babbling. Vitamin B12 deficiency causes pernicious anemia, megaloblastic anemia, and neurologic lesions.

   What does pernicious mean? definition, meaning and audio

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   What is another word for a pernicious lie?

   • ruinous: a pernicious lie. hurtful: pernicious teachings; a pernicious lie. fatal: a pernicious disease. wicked. per•ni′cious•ness, n. 1. harmful, detrimental, deleterious, destructive, damaging, baneful, noxious, malicious. 2. lethal. Synonyms: harmful, deleterious, detrimental, noxious, baneful, more...

   pernicious - WordReference.com Dictionary of English

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   Is ageism offensive or pernicious?

   • Ageism is equally as offensive and pernicious as sexism. late Middle English: from Latin perniciosus ‘destructive’, from pernicies ‘ruin’, based on nex, nec- ‘death’. Want to learn more? Definition of pernicious adjective in Oxford Advanced Learner's Dictionary.

   pernicious adjective - Definition, pictures, pronunciation and usage

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3. www.oxfordlearnersdictionaries.com › perniciouspernicious adjective - Definition, pictures, pronunciation ...

   www.oxfordlearnersdictionaries.com › pernicious

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   Definition of pernicious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

   • Permit Noun

     an official document that gives somebody the right to do...

   • Permutation Noun

     Definition of permutation noun in Oxford Advanced Learner's...

   • Full Entry

     We would like to show you a description here but the site...

4. dictionary.cambridge.org › perniciousPERNICIOUS | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › pernicious

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   PERNICIOUS definition: very harmful. Learn more. {{#verifyErrors}} {{message}} {{/verifyErrors}} {{^verifyErrors}} {{#message}}

5. www.collinsdictionary.com › perniciousPERNICIOUS - All you need to know about it | Collins English ...

   www.collinsdictionary.com › pernicious

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   A complete guide to the word "PERNICIOUS": definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.

6. dictionary.cambridge.org › perniciouspernicious | definition in the Cambridge Learner’s Dictionary

   dictionary.cambridge.org › pernicious

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   pernicious meaning: very harmful. Learn more. {{#verifyErrors}} {{message}} {{/verifyErrors}} {{^verifyErrors}} {{#message}}

7. en.thefreedictionary.com › perniciousPernicious - definition of pernicious by The Free Dictionary

   en.thefreedictionary.com › pernicious

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   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.

8. www.wordreference.com › definition › perniciouspernicious - WordReference.com Dictionary of English

   www.wordreference.com › definition › pernicious

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   pernicious - WordReference English dictionary, questions, discussion and forums. All Free.

9. dictionary.cambridge.org › thesaurus › perniciousPERNICIOUS - 29 Synonyms and Antonyms - Cambridge English

   dictionary.cambridge.org › thesaurus › pernicious

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   PERNICIOUS - Synonyms, related words and examples | Cambridge English Thesaurus