しあ 知り合う Common word Show inflections LinksSentence search for 知り合うSentence search for しりあうSentence search for 知合うKanji details for 知 and 合Edit in JMdict Godan verb with 'u' ending, Intransitive verb1. to get to know each other; to make acquaintanceOther forms知合う 【しりあう】 Discussions Log in to talk about this word.