Ma*lig"ni*ty (?), n. [F. malignité, L. malignitas.] 1. The state or quality of being malignant; disposition to do evil; virulent enmity; malignancy; malice; spite.

2. Virulence; deadly quality.

His physicians discerned an invincible malignity in his disease.

3. Extreme evilness of nature or influence; perniciousness; heinousness; as, the malignity of fraud. [R.]

Syn. -- See Malice.