Synonyms of 'damaging'

bad, baleful, baneful, corrosive, deadly, deleterious, detrimental, disadvantageous, erosive, evil, harmful, hurtful, injurious, lethal, malevolent, malign, malignant, mischievous, noisome, noxious, ominous, pernicious, prejudicial, toxic, venomous, vicious, virulent