- 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.
- Cancerous growth - Malignant tumour - A tumor of fleshy consistence; -- formerly applied to many
varieties of tumor, now restricted to a variety of malignant growth
made up of cells resembling those of fetal development without any
proper intercellular substance.