りゆう 理由 Common word JLPT N4 Wanikani level 7 Play audio Show 1 collocation 理由をつける - to give a reason LinksSentence search for 理由Sentence search for りゆうSentence search for わけKanji details for 理 and 由Edit in JMdict Noun1. reason; pretext; motiveOther forms理由 【わけ】Notesわけ: Irregular kana usage. Discussions Log in to talk about this word.