Asperity (noun)

Harshness or roughness of manner, speech, or temper.

Origin:

Late middle english: from old french asperité or latin asperitas, from asper "rough".

Examples:

1. The teacher's asperity towards the student was unwarranted and unjustified.
2. His asperity towards his coworkers caused conflicts and created a hostile work environment.
3. The asperity of the winter weather made it difficult for people to go outside.
4. The asperity in her voice made it clear that she was not happy with the situation.
5. The criticism was delivered with a certain asperity that made the recipient feel attacked.