curt

ぶっきらぼうな口調

A way of speaking that is brief and unfriendly, indicating impatience or annoyance.

焦りやいらだちを示す、簡潔で不親切な話し方。

そっけない返事

A response that is rudely brief.

そっけない頷き

A quick, brief, and often unfriendly up-and-down movement of the head as a greeting or sign of acknowledgement.

そっけない却下

Refers to a brief and unfriendly rejection of a person, idea, or request.

簡潔で無礼な方法で何かを考慮することを拒否すること。