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Audio » Dictionary » P » Peristylar ... Pernio


Pronunciation (US): 

 Dictionary entry overview: What does pernicious mean? 

PERNICIOUS (adjective)
  The adjective PERNICIOUS has 2 senses:

1. exceedingly harmful
2. working or spreading in a hidden and usually injurious way

  Familiarity information: PERNICIOUS used as an adjective is rare.

 Dictionary entry details 

PERNICIOUS (adjective)

Sense 1pernicious [BACK TO TOP]


Exceedingly harmful


baneful; pernicious; pestilent; deadly


harmful; noxious (injurious to physical or mental health)

Sense 2pernicious [BACK TO TOP]


Working or spreading in a hidden and usually injurious way


pernicious; insidious; subtle

Context examples:

glaucoma is an insidious disease / a subtle poison


harmful (causing or capable of causing harm)

 Learn English with... Proverbs of the week 
"We must take the bad with the good." (English proverb)

"The guilty man flees unpersecuted" (Bulgarian proverb)

"The beginning of anger is madness and the end of it is regret." (Arabic proverb)

"Think before acting and whilst acting still think." (Dutch proverb)

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