委い細さいいさいじ字FuriganaMeanings1noundetails; particularsA somewhat formal noun used to refer to the full details or particulars of a matter. Often appears in set phrases like 委細を説明する or 委細承知.事じ件けんの委い細さいを上じょう司しに報ほう告こくした。I reported the details of the incident to my boss.委い細さいは追Expressions委い細さい承しょう知ちfully understood; agreed; I understand the details委い細さい面めん談だんdetails when we meet; I'll explain in person