(1):
(n.) Severity; rigor.
(2):
(n.) 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.
(3):
(n.) Stiffness of appearance or manner; want of ease or elegance.