severeness

nouns

used of the degree of something undesirable e.g. pain or weather
is derived from
is derived from
is derived from
is derived from
something hard to endure
"the asperity of northern winters"
is derived from
extreme plainness
is derived from
excessive sternness
"severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
is derived from