Definify.com
Webster 1913 Edition
Rigidness
Rig′id-ness
,Noun.
The quality or state of being rigid.
Webster 1828 Edition
Rigidness
RIG'IDNESS
, n.1.
Stiffness of a body; the quality of not being easily bent; as the rigidness of a limb or of flesh.2.
Severity of temper; strictness in opinion or practice; but expressing less than inflexibility.