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