PERNICIOUSNESS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does perniciousness mean? 

• PERNICIOUSNESS (noun)
  The noun PERNICIOUSNESS has 1 sense:

1. grave harmfulness or deadliness

  Familiarity information: PERNICIOUSNESS used as a noun is very rare.

 Dictionary entry details 

• PERNICIOUSNESS (noun)

Sense 1

Meaning:

Grave harmfulness or deadliness

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

perniciousness; toxicity

Hypernyms ("perniciousness" is a kind of...):

morbidity; morbidness; unwholesomeness (the quality of being unhealthful and generally bad for you)

Derivation:

pernicious (working or spreading in a hidden and usually injurious way)

pernicious (exceedingly harmful)