義ぎ理りが悪わるい

expression, i-adjective

failing in one's duty; being ungrateful; lacking a sense of obligation

Used when someone fails to meet social or moral obligations, especially toward someone who has helped them. Often implies ingratitude or neglect of reciprocal duty.

• あの人ひとに義ぎ理りが悪わるいことをしてしまった。

  I did something that failed in my duty to that person.

• 彼かれは義ぎ理りが悪わるいから、恩おんを仇あだで返かえすようなことはしない。

  He has a strong sense of obligation, so he would never repay kindness with ingratitude.