Synonyms:
- baleful,
- baneful,
- brutal,
- corroding,
- corrosive,
- corrupting,
- corruptive,
- counterproductive,
- damaging,
- deadly,
- death-bringing,
- deathful,
- deathly,
- deleterious,
- destructive,
- detrimental,
- devastating,
- disadvantageous,
- disserviceable,
- distressing,
- fatal,
- feral,
- harmful,
- hurtful,
- injurious,
- internecine,
- killing,
- lethal,
- malefic,
- maleficent,
- malevolent,
- malign,
- malignant,
- miasmatic,
- miasmic,
- mischievous,
- mortal,
- noisome,
- noxious,
- ominous,
- pestiferous,
- pestilent,
- pestilential,
- poisonous,
- prejudicial,
- ruinous,
- savage,
- scatheful,
- sinister,
- swart,
- toxic,
- venenate,
- veneniferous,
- venenous,
- venomous,
- vicious,
- virulent