tearing up and discarding (e.g. documents); destruction; annulment; cancellation; abrogation; voiding; breaking (e.g. a treaty); reversal (of an original ruling on appeal); quashing
Noun
Examples1
「結婚したんじゃなかったのかよ？」「あぁ、別れちゃった。婚約破棄」
"Didn't you get married!?" "Oh, we split up. We broke our engagement."