stiffness

the physical property of being inflexible and hard to bend

the property of moving with pain or difficulty; "he awoke with a painful stiffness in his neck"

firm resoluteness in purpose or opinion or action; "a charming host without any touch of stiffness or pomposity"

the inelegance of someone stiff and unrelaxed (as by embarrassment)

excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"