JLPT N1 Vocabulary 優位 (yuui) predominance, ascendancy, superiority JLPT N1 Learning Done Flashcards Recall mode Meaning 優位 (ゆうい, yuui) is a JLPT N1 vocabulary word meaning “predominance, ascendancy, superiority”. Kanji in this word 優 tenderness 位 rank ← Previous香辛料 All N1 vocabulary Next →蛋白質