the quality of being unresponsive; not reacting; as a quality of people, it is marked by a failure to respond quickly or with emotion to people or events
<noun.attribute> she began to recover from her numb unresponsiveness after the accident in an instant all the deadness and withdrawal were wiped away
the physical property of something that has lost its elasticity
<noun.attribute> he objected to the deadness of the tennis balls
the inanimate property of something that has died
<noun.attribute>
Deadness \Dead"ness\, n. The state of being destitute of life, vigor, spirit, activity, etc.; dullness; inertness; languor; coldness; vapidness; indifference; as, the deadness of a limb, a body, or a tree; the deadness of an eye; deadness of the affections; the deadness of beer or cider; deadness to the world, and the like.