Pernicious

"Pernicious" in Russian

вре́дный

vrédnyj

(causing death or injury)

ги́бельный

gíbelʹnyj

(causing death or injury)

зловредный

zlovrednyj

(causing much harm)

па́губный

págubnyj

(causing much harm)

тлетво́рный

tletvórnyj

(causing much harm)

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