礼れいを欠かく

expression, godan verb (-ku)

be impolite; lack manners; be discourteous

Used when someone fails to show proper courtesy or respect, often in social or formal situations.

• 彼かれの返へん事じは礼れいを欠かいていた。

  His reply was impolite.

• 目め上うえの人ひとにそんな言いい方かたをするのは礼れいを欠かく。

  Speaking to a superior like that is lacking in manners.