n. The state of being dead. Want of life or vital power in a once animated body, as an animal or a plant, or in a part of it.n. The state of being by nature without life; inanimateness.n. A state resembling that of death: as, the deadness of a fainting-fit.n. Want of activity or sensitiveness; lack of force or susceptibility; dullness; coldness; frigidity; indifference: as, deadness of the affections.n. Flatness; want of spirit: as, the deadness of liquors.