Synonyms:
- acerbic,
- acrid,
- acute,
- antagonistic,
- antipathetic,
- baleful,
- baneful,
- belligerent,
- bitter,
- catching,
- caustic,
- clashing,
- colliding,
- communicable,
- conflicting,
- contagious,
- corroding,
- corrosive,
- corrupting,
- corruptive,
- counterproductive,
- cutting,
- damaging,
- dangerous,
- deadly,
- deleterious,
- despiteful,
- destructive,
- detrimental,
- disadvantageous,
- disserviceable,
- distressing,
- drastic,
- embittered,
- envenomed,
- excessive,
- exorbitant,
- extravagant,
- extreme,
- fierce,
- full of hate,
- furious,
- great,
- harmful,
- hateful,
- hostile,
- hurtful,
- immoderate,
- infectious,
- infective,
- injurious,
- intemperate,
- intense,
- keen,
- lethal,
- malefic,
- maleficent,
- malevolent,
- malicious,
- malign,
- malignant,
- mean,
- mephitic,
- miasmal,
- miasmatic,
- miasmic,
- mischievous,
- noisome,
- noxious,
- ominous,
- outrageous,
- pernicious,
- pestiferous,
- pestilential,
- piercing,
- poison,
- poisonous,
- prejudicial,
- quarrelsome,
- rancorous,
- repugnant,
- rigorous,
- rough,
- savage,
- scatheful,
- set against,
- severe,
- sharp,
- sore,
- spiteful,
- splenetic,
- splitting,
- tough,
- toxic,
- toxicant,
- toxiferous,
- unconscionable,
- vehement,
- venenate,
- veneniferous,
- venenous,
- vicious,
- violent,
- viperish,
- viperlike,
- viperous,
- virulent,
- vitriolic