Synonyms of deleterious in English:

deleterious


See definition of deleterious

adjective

1‘these policies are having a deleterious effect on British industry’

SYNONYMS
harmful, damaging, detrimental, injurious, inimical, hurtful, bad, adverse, disadvantageous, unfavourable, unfortunate, undesirable
destructive, pernicious, ruinous
ANTONYMS

beneficial, advantageous