curt
adjective disapproving uk/kɜːt/ us/kɝːt/
（态度或说话）简短失礼的，唐突的，草率的
If someone's manner or speech is curt, it is rude as a result of being very quick.
to give a curt nod/reply 草草点了点头／三言两语地回答
Andy was very curt with him. 安迪对他很是粗暴无礼。