一件(いっけん) いっけん noun, counter one matter, one case quantity See also: 一見(いっけん) (at first glance (一見)) 1. one matter, one case, one incident The counter for matters, cases, incidents, or properties. 相談(そうだん)が一件(いっけん)ある。🔊 I have one matter to discuss. この一件(いっけん)については後(あと)で話(はな)そう。🔊 Let's talk about this matter later. 問(と)い合(あ)わせが一件(いっけん)届(とど)いた。🔊 We received one inquiry. 一件(いっけん) is a counter for matters, cases, and incidents.Used for事件(じけん): incidents, cases問(と)い合(あ)わせ: inquiries相談(そうだん): consultations案件(あんけん): matters, projects物件(ぶっけん): properties (real estate)事故(じこ): accidentsCommon expressionsこの一件(いっけん): this matter/incident一件(いっけん)落着(らくちゃく): case closed, matter settled一件(いっけん)につき: per case/matterCounting patterns一件(いっけん)、二件(にけん)、三件(さんけん)...何件(なんけん): how many cases/matters general Added 2026.1.29 12:42 · Revised 2026.9.2 13:01 08500/08927_ikken