| asperity | (n) something hard to endure, Syn. rigourousness, grimness, severeness, severity, rigorousness, hardship, rigour, rigor, Example: the asperity of northern winters |
| severity | (n) excessive sternness, Syn. rigourousness, inclemency, stiffness, harshness, severeness, hardness, rigorousness, rigour, rigor, Example: severity of character; the harshness of his punishment was inhuman; the rigors of boot camp |