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pernicious

Line breaks: per|ni¦cious
Pronunciation: /pəˈnɪʃəs
 
/

Definition of pernicious in English:

adjective

Having a harmful effect, especially in a gradual or subtle way: the pernicious influences of the mass media
More example sentences
  • Physiological laws can explain the harmful and pernicious effects of deep breathing.
  • He's correct that the right of jury nullification trumps any worries about the possible pernicious effects of the drug.
  • Yet this fear of the pernicious effects of property rights did not last for long.
Synonyms

Origin

late Middle English: from Latin perniciosus 'destructive', from pernicies 'ruin', based on nex, nec- 'death'.

Derivatives

perniciously

1
adverb
Example sentences
  • For the public service, the affair demonstrates its fragility in the face of both ministers and, more perniciously, ministerial staffers.
  • She glares at me perniciously, and then turns her back, with a sharp exhalation, and her arms shaking firmly at her sides.
  • Their persistence perniciously influences mood and emotional regulation.

perniciousness

2
noun
Example sentences
  • That kind of double talk, that perniciousness should be stopped immediately.
  • However, geneticists began criticizing him for his antiscientific declarations regarding the perniciousness of genetics.
  • In fact, its perniciousness has spread well beyond startups.

Definition of pernicious in:

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