Definition of pernicious in English:

pernicious

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

adjective

Derivatives

perniciously

adverb
More 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

noun
More 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.

Origin

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

More definitions of pernicious

Definition of pernicious in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea