やくそくやぶ 約束破る Show inflections LinksSentence search for 約束破るSentence search for やくそくやぶるSentence search for 約束やぶる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 約束を破るやくそくやぶ約束やぶったら、ぜっこう絶交ですからね？If you break your promise, we're through, you hear?Other forms約束やぶる 【やくそくやぶる】 Discussions Log in to talk about this word.