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. (Hayward)
3. Extreme evilness of nature or influence; perniciousness; heinousness; as, the malignity of fraud.
Synonym: see malice.
Origin: f. Malignite, L. Malignitas.