断ことわらず

expression

without permission; without asking

Used when someone does something without obtaining prior consent or without giving notice. Often appears in negative contexts or as a set phrase.

• 彼かれは断ことわらずに私わたしのパソコンを使つかった。

  He used my computer without asking.

• 断ことわらずに欠けっ席せきするのは失しつ礼れいだ。

  It's rude to be absent without notice.