相あい済すみませんじ字FuriganaMeanings1expressionI am very sorry; please forgive mepolite (teineigo)›A very formal, polite apology. Stronger and more deferential than すみません. Often used in business or formal letters.See also: 相済む · 相済まないご迷めい惑わくをおかけして相あい済すみません。I am very sorry for causing you trouble.返へん信しんが遅おそくなり