1
[ noun ] the quality of being difficult to do

Examples

"he assigned a series of problems of increasing hardness"

Related terms

difficulty

2
[ noun ] devoid of passion or feeling

Related terms

insensitivity

3
[ noun ] the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
4
[ noun ] excessive sternness

Examples

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

Related terms

sternness

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