something hard to endure; the asperity of northern winters

[ Syn: asperity , grimness , hardship , rigour , severity , severeness , rigorousness , rigourousness ]

the quality of being valid and rigorous

[ Syn: cogency , validity , rigour ]

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

[ Syn: severity , severeness , harshness , rigour , rigorousness , rigourousness , inclemency , hardness , stiffness ]