asperities
as-per-i-ties
noun
Harshness or severity in a person's character, tone, or manner.
"He tried to mitigate the asperities of his criticism."
noun
Rough or uneven qualities on a surface or texture.
"The asperities of the road made for a bumpy ride."
Thesaurus
Synonyms: asperity, rigourousness, rigour, hardship, severity, rigor, severeness, grimness, rigorousness, sharpness