棄き約やく

noun

breaking a promise

Rare, formal noun meaning the act of breaking a promise or agreement. Not used in everyday conversation; more common alternatives include 約束破り (やくそくやぶり) or 違約 (いやく).

• 棄き約やくは信しん頼らいを損そこなう行こう為いだ。

  Breaking a promise is an act that damages trust.