一いっ生しょう一いち度どMeaningsNo-adjectiveNoun1. once in one's life; once in a lifetimeKanji used一one生life度degreesComposed of一いっ生しょうwhole life; a lifetime; all through life; (the only, the greatest, etc.) of one's lifeNoun一いち度どonce; one time; on one occasion; one degree; one tone; one musical intervalNoun