Dictionary/効用こうようKouyou効用 (Kouyou) is a Japanese noun meaning “use, utility, effect, benefit”.Meaningsnounuse; utility; effect; benefitKanji in 効用効merit用utilizeRelated words必要necessary用business用意preparation利用use私用personal use信用confidence効くto be effective使用use効果effect用途use採用use用件business