優勝劣敗 ゆうしょうれっぱい Meanings Noun survival of the fittest Kanji 優 excel. Read as ユウ. 勝 win. Read as ショウ. 劣 inferior. Read as レツ. 敗 defeat. Read as ハイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists