Definition of Perniciousness in English :

Define Perniciousness in English

Perniciousness meaning in English

Meaning of Perniciousness in English

Pronunciation of Perniciousness in English

Perniciousness pronunciation in English

Pronounce Perniciousness in English

Perniciousness

see synonyms of perniciousness

Noun

1. perniciousness, toxicity

grave harmfulness or deadliness

WordNet Lexical Database for English. Princeton University. 2010.


Perniciousness

see synonyms of perniciousness
adjective
1. 
wicked or malicious
pernicious lies
2. 
causing grave harm; deadly

Collins English Dictionary. Copyright © HarperCollins Publishers


Perniciousness

see synonyms of perniciousness
adjective
1. 
causing great injury, destruction, or ruin; fatal; deadly
2.  Rare
wicked; evil

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Perniciousness

see synonyms of perniciousness
adj.
1. Tending to cause death or serious injury; deadly: a pernicious virus.
2. Causing great harm; destructive: pernicious rumors.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.