Pronunciation: (u-sper'i-tē), [key]
1. harshness or sharpness of tone, temper, or manner; severity; acrimony: The cause of her anger did not warrant such asperity.
2. hardship; difficulty; rigor: the asperities of polar weather.
3. roughness of surface; unevenness.
4. something rough or harsh.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.