discourteousness

uncountable

The state or quality of being discourteous; lack of courtesy.

Japanese Meaning

無礼さ; 非礼の状態 / 無作法; 失礼である状態

Her discourteousness toward the new hires was obvious and damaged team morale.

彼女の新入社員に対する無礼さは明らかで、チームの士気を損なった。

Sense（1）

The state or quality of being discourteous; lack of courtesy.