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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.