ボタンの掛け違い ボタンのかけちがい Also written ボタンのかけ違い Meanings Expression, Noun being at cross-purposes from the start; getting off on the wrong foot (literally: doing up one's buttons wrongly) Kanji 掛 hang. Read as カイ. 違 differ. Read as ちがい. Jinuma: Japanese Dictionary · Word lists