いっしんTop 4000MeaningsNoun1. first instance; first trialOther spellings一いっ審しんUsage share unknownKanji in other spellings一one審explain in detailPitch accentいっしんUsed in vocabulary第だい一いっ審しんfirst hearingNoun第だい一いっ審しん裁さい判ばん所しょcourt of first instanceNoun