突とつ然ぜん死しMeaningsNoun1. sudden death; unexpected deathKanji used突thrust然sort of thing死deathPitch accentとつぜんしComposed of突とつ然ぜんabrupt; sudden; unexpectedNo-adjective死しdeath; (an) outNounExamples1私わたしは突とつ然ぜん死しんだ母ははを思おもい出だした。I suddenly thought of my dead mother.