deleterious Synonyms

injurious hurtful unhealthful poisonous pestilent pestiferous pernicious noxious noisome nocuous nocent negative mortal mischievous malignant malign prejudicial ruining unfavourable prejudicious life-threatening unhealthy unwholesome wrackful virulent vicious venomous venenate unfortunate unfavorable toxic sacrificial ruinous malicious maleficial destructive destroying degenerative deathly deadly dangerous damaging catastrophic cataclysmic calamitous baneful baleful bad bacteriological detrimental