- Ill will - Maliciousness - Malignant substance - Toxic substance - Venom - Any agent which, when introduced into the animal organism,
is capable of producing a morbid, noxious, or deadly effect upon it;
as, morphine is a deadly poison; the poison of pestilential diseases. - That which taints or destroys moral purity or health; as,
the poison of evil example; the poison of sin.