相そう互ご確かく証しょう破は壊かいMeaningsNoun1. mutual assured destruction; mutually assured destruction; MADKanji used相towards each other互mutual確certain証proof破to tear壊breakComposed of相そう互ごmutual; reciprocalNoun確かく証しょうconclusive evidence; positive proof; definite proof; confirmationNoun破は壊かいdestruction; disruption; (application) crashNoun