かい オフ会 LinksSentence search for オフ会Sentence search for オフかいSentence search for OFF会Kanji details for 会Edit in JMdict Noun1. (in-person) meetup (of members of an online community); IRL meetup; offline get-together; offline gatheringOther formsOFF会 【オフかい】 Discussions Log in to talk about this word.