いTop 20000MeaningsNoun1. second string of a koto (counting from the player's near side)Other spellings為い17%Kanji in other spellings為for the sake ofPitch accentいUsed in vocabulary性せい行こう為いsexual act; sexual intercourseNoun不ふ作さく為いforbearance; omission; nonfeasance; inactionNoun単たん為い生せい殖しょくparthenogenesisNoun前ぜん途と有ゆう為いhaving a very promising future; offering promising prospectsNoun為い公こう会かいIko-kai (faction of the LDP)Noun単たん為い結けつ実じつparthenocarpyNoun