rigidity Meaning, Definition & Usage

  1. noun the physical property of being stiff and resisting bending
    rigidness.
  2. noun the quality of being rigid and rigorously severe
    rigidness; inflexibility.

WordNet

Ri*gid"i*ty noun
Etymology
L. rigiditas: cf. F. rigidité. See Rigid.
Definitions
  1. The quality or state of being rigid; want of pliability; the quality of resisting change of from; the amount of resistance with which a body opposes change of form; -- opposed to flexibility, ductility, malleability, and softness.
  2. Stiffness of appearance or manner; want of ease or elegance. Sir H. Wotton.
  3. Severity; rigor. Obs. orR. Bp. Burnet. Syn. -- Stiffness; rigidness; inflexibility.

Webster 1913