Synonyms of pernicious in English:

pernicious


See definition of pernicious

adjective

1‘a pernicious influence on society’

SYNONYMS
harmful, damaging, destructive, injurious, hurtful, detrimental, deleterious, dangerous, adverse, inimical, unhealthy, unfavourable, bad, evil, baleful, wicked, malign, malevolent, malignant, noxious, poisonous, cancerous, corrupting, ruinous, deadly, lethal, fatal
literary malefic, maleficent
archaic pestilent, pestilential, baneful, pestiferous
ANTONYMS

beneficial, benign, favourable