Malignity

Webster's Dictionary of the English Language

·noun Virulence; deadly quality.

II. Malignity ·noun Extreme evilness of nature or influence; perniciousness; heinousness; as, the malignity of fraud.

III. Malignity ·noun The state or quality of being malignant; disposition to do evil; virulent enmity; malignancy; malice; spite.