perniciousness

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noun

The condition of being pernicious; destructiveness

Similar
toxicity
Scrabble 18
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Meanings

nounperniciousness (uncountable)
  1. uncountableThe condition of being pernicious; destructiveness

Synonyms & antonyms

noungrave harmfulness or deadliness

Similar
toxicity
Broader
unwholesomenessmorbidnessmorbidity
Also see
toxicity

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From pernicious + -ness.

Full word history & related roots →

Translations

Portuguese perniciosidade
  • perniciosidadethe condition of being pernicious

Rhymes & wordplay

Anagrams

neurospiciness
Cite this entry
APA

perniciousness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/perniciousness

MLA

“perniciousness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perniciousness. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “perniciousness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/perniciousness.

Source: perniciousness on Wiktionary, CC BY-SA 4.0.