Scrabble & Words with friends points
- perniciousness is a valid Scrabble US word with a point value of 18
- perniciousness is a valid Scrabble UK word with a point value of 18
- perniciousness is a valid Words with friends word with a point value of 23
Definition of perniciousness
- grave harmfulness or deadliness (noun)
Synonyms
- toxicity
See definition of perniciousness in Merriam Webster