せなかあ 背中合わせ LinksSentence search for 背中合わせSentence search for せなかあわせSentence search for 背中あわせSentence search for 背中合せKanji details for 背, 中 and 合Edit in JMdict Noun1. back to backNoun2. discord; feudNoun3. opposite sides of the same coinOther forms背中あわせ 【せなかあわせ】、背中合せ 【せなかあわせ】 Discussions Log in to talk about this word.