そうそうふいつ 草々不一 LinksSentence search for 草々不一Sentence search for そうそうふいつSentence search for 草草不一Kanji details for 草, 不 and 一Edit in JMdict Noun1. Sincerely yours (with the nuance of "please excuse the brevity of this letter")Other forms草草不一 【そうそうふいつ】 Discussions Log in to talk about this word.