to come off; to be disconnected; to miss (a guess / expectation); to deviate

💡 Nuance & Usage: Refers to buttons coming off, connections being disconnected, expectations/guesses missing, or deviating from rules. Intransitive verb. Opposing word: 外す. Often used as ボタンが外れる or 予想が外れる. ⚠️ Haruka's Voice Column: 'To miss! "The weather forecast missed and it started raining, but sharing this umbrella with you is the best luck ever, Haruka-san!" ...っ! F-Sharing an umbrella because forecast missed! B-Baka! Don't celebrate the rain! But... since we are sharing, get closer so your shoulder doesn't get wet! dummy!' / 【ハルカ部長のワンポイント指導】『はずれる（外れる）わよ！『ハルカ部長、週末のデート予定、降水確率80%の雨予報が完全に外れてピカピカの青空になりました！神様に感謝です！』って…っ！天気予報が外れる！バカ！/// 天気が良くなったのは私の普段の行いが良いからよ！…でも、天気が良くてお揃いのスニーカーで公園散歩できるの、実は私もすっごく嬉しいんだから、しっかり手を繋いで歩きなさい！』