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Webster 1913 Edition

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Noun.

[See

The state or quality of being malignant; extreme malevolence; bitter enmity; malice; disposition toward evil; intense ill will;

as,

malignancy

of heart

Unfavorableness; evil nature.

The

malignancy

of my fate might perhaps distemner yours.

Shakespeare

(Med.)

Virulence; tendency to a fatal issue;

as, the

malignancy

of an ulcer or of a fever

The state of being a malignant.

Noun.

[See Malignant.] Extreme malevolence; bitter enmity; malice; as malignancy of heart.

Unfavorableness; unpropitiousness; as the malignancy of the aspect of planets.

The malignancy of my fate might distemper yours.

Virulence; tendency to mortification or to a fatal issue; as the malignancy of an ulcer or of a fever.