the poisonous fluid that some animals, as certain snakes and spiders, secrete and introduce into the bodies of their victims by biting, stinging, etc.

something resembling or suggesting poison in its effect; spite; malice

the venom of jealousy.

Archaic . poison in general.

Archaic . to make venomous; envenom.

noun

acidity , acrimony , anger , bane , bitterness , contagion , gall , grudge , hate , hatred , ill will , infection , malevolence , malice , maliciousness , malignity , rancor , spite , spitefulness , spleen , taint , toxin , virulence , virus , canker , animosity , hating , poison , resentment , vitriol