一いっ対ついTop 20000MeaningsNounNo-adjective1. pair; coupleKanji used一one対oppositePitch accentいっついUsed in vocabulary好こう一いっ対ついwell-matchedNa-adjective左さ右ゆう一いっ対ついleft-and-right pair; symmetrical pairNoun三さん幅ぷく一いっ対ついset of threeNoun