{ Ma*lig"nance (?), Ma*lig"nan*cy , } n. [See Malignant.] 1. The state or quality of being malignant; extreme malevolence; bitter enmity; malice; as, malignancy of heart.

2. Unfavorableness; evil nature.

The malignancy of my fate might perhaps distemner yours.

3. (Med.) Virulence; tendency to a fatal issue; as, the malignancy of an ulcer or of a fever.

4. The state of being a malignant.

Syn. -- Malice; malevolence; malignity. See Malice.