れいたん冷淡reitan
1.

A disposition characterized by a lack of emotional warmth, showing little interest or concern towards others or events, often perceived as distant or detached.

2.

An attitude reflecting a lack of sympathy or kindness, where one behaves in a brusque or unresponsive manner, failing to engage empathetically with others.

3.

The state of being inattentive or disengaged, often resulting in actions or responses that appear indifferent or unenthusiastic, particularly in contexts requiring care or consideration.

Example:

私の演説は冷淡な沈黙で迎えられた。