Noun | 1. | inelasticity - the lack of elasticity physical property - any property used to characterize matter and energy and their interactions deadness - the physical property of something that has lost its elasticity; "he objected to the deadness of the tennis balls" stiffness - the physical property of being inflexible and hard to bend elasticity, snap - the tendency of a body to return to its original shape after it has been stretched or compressed; "the waistband had lost its snap" |