不ふ信しん実じつ

noun

insincerity; unfaithfulness

Refers to a lack of sincerity or faithfulness in character or actions. Often used in formal or literary contexts.

• 彼かれの不ふ信しん実じつな態たい度どに失しつ望ぼうした。

  I was disappointed by his insincere attitude.

• 不ふ信しん実じつは人にん間げん関かん係けいを壊こわす。

  Insincerity destroys human relationships.