Rigidity
Rigidity , noun
[Latin rigiditas: compare French rigidité. See Rigid.]
1.
The quality or state of being rigid; want of pliability; the quality of resisting change of form; 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. [Obsolete orR.] — Bp. Burnet