不ふ義ぎ理り

noun, na-adjective

neglect of social obligations; dishonorable conduct

Refers to failing to fulfill expected social duties, such as not returning favors, not attending important events, or acting ungratefully. Often implies a breach of 義理 (social/moral obligation).

• お世せ話わになった人ひとに挨あい拶さつもせずに引ひっ越こすのは不ふ義ぎ理りだ。

  Moving away without even greeting the people who helped you is a neglect of social obligations.

• 彼かれは不ふ義ぎ理りな態たい度どで周しゅう囲いの信しん頼らいを失うしなった。

  He lost the trust of those around him through his dishonorable attitude.

noun, na-adjective

failure to repay a debt

Specifically refers to not repaying borrowed money or a financial obligation, seen as a serious breach of trust.

• 借しゃっ金きんを返かえさないのは不ふ義ぎ理りだ。

  Not repaying a debt is a failure to meet one's obligations.