やくそくやぶ 約束を破る Show inflections LinksSentence search for 約束を破るSentence search for やくそくをやぶるSentence search for 約束をやぶるKanji details for 約, 束 and 破Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to break a promise; to go back on one's word; to renegeSee also 約束を守るOther forms約束をやぶる 【やくそくをやぶる】 Discussions Log in to talk about this word.