Sulky (adjective)

Bad-tempered or sullen, showing resentment through a lack of communication or cooperation.

Origin:

From the 17th century word "sulk" meaning to be in a bad mood.

Examples:

1. He was sulky and refused to speak to his parents.
2. She became sulky when she didn't get her way.
3. The sulky attitude of the employee was causing problems in the office.
4. The sulky teenager refused to participate in the family event.
5. The sulky horse refused to be ridden.