Venom
/ˈvɛnəm/
noun
A poison carried by an animal, usually injected into an enemy or prey by biting or stinging.
Feeling or speech marked by spite or malice; vitriol.
Synonyms: atter
verb
To infect with venom; to envenom; to poison.
adjective
Poisonous, poisoned; (figuratively) pernicious.