Curt (adjective)

1. Brief and to the point, often to the point of being rude or impolite.
2. Short or brief in duration.

Origin:

Late middle english: from old french court, curt, from latin curtus "shortened, curtailed".

Examples:

1. He gave a curt nod in response to my greeting.
2. She gave a curt reply when I asked about her day.
3. The curt tone of his voice made it clear he was not interested in talking.
4. The meeting was over in a curt manner.
5. He is known for his curt and unapproachable attitude.