Pernicious

"Pernicious" in French

dangereux

(causing death or injury)

délétère

(causing death or injury)

malsain

(causing much harm)

nocif

(causing much harm)

nocif

(causing death or injury)

nuisible

(causing death or injury)

pernicieux

(causing much harm)

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.