エフがいしつ F外失 LinksSentence search for F外失Sentence search for エフがいしつKanji details for 外 and 失Edit in JMdict Expressions (phrases, clauses, etc.)1. apologies for writing to you without either of us following the otherSlang, abbr. of FF外から失礼します; used on twitter Discussions Log in to talk about this word.