WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
excessive sternness
noun.
the roughness of a substance that causes abrasions
noun.
the quality of being unpleasant (harsh or rough or grating) to the senses
noun.
the quality of being cruel and causing tension or annoyance
Word Usage
"And for the future, he declares, the harshness is again inevitable: though the writer admits that social progress (including of course female suffrage, which he does not mention) is largely due to peace."