venomous (adj.)
- acerbic
- acrid
- acute
- antagonistic
- antipathetic
- baleful
- baneful
- belligerent
- bitter
- catching
- caustic
- clashing
- communicable
- conflicting
- contagious
- corrosive
- corrupting
- corruptive
- counterproductive
- cutting
- damaging
- dangerous
- deadly
- deleterious
- despiteful
- destructive
- detrimental
- disadvantageous
- distressing
- drastic
- excessive
- exorbitant
- extravagant
- extreme
- fierce
- furious
- great
- harmful
- hateful
- hostile
- hurtful
- immoderate
- infectious
- infective
- injurious
- intemperate
- intense
- keen
- lethal
- malefic
- maleficent
- malevolent
- malicious
- malign
- malignant
- mean
- mephitic
- miasmal
- miasmic
- mischievous
- noisome
- noxious
- ominous
- outrageous
- pernicious
- pestiferous
- pestilential
- piercing
- poisonous
- prejudicial
- quarrelsome
- rancorous
- repugnant
- rigorous
- rough
- savage
- severe
- sharp
- sore
- spiteful
- splenetic
- splitting
- tough
- toxic
- toxicant
- unconscionable
- vehement
- vicious
- violent
- virulent
- vitriolic
Sweet are the uses of adversity,
Which like the toad, ugly and venomous,
Wears yet a precious jewel in his head;
And this our life, exempt from public haunt,
Finds tongues in trees, books in the running brooks,
Sermons in stones, and good in every thing.