#1 stiffness n. the physical property of being inflexible and hard to bend. wn
#2 stiffness n. the property of moving with pain or difficulty; "he awoke with a painful stiffness in his neck". wn
#3 stiffness n. firm resoluteness in purpose or opinion or action; "a charming host without any touch of stiffness or pomposity". wn
#4 stiffness n. [awkwardness, clumsiness, gracelessness] the inelegance of someone stiff and unrelaxed (as by embarrassment). wn
#5 stiffness n. [severity, severeness, harshness, rigor, rigour, rigorousness, rigourousness, inclemency, hardness] excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp". wn
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