ゆうしょうれっぱい 優勝劣敗 LinksSentence search for 優勝劣敗Sentence search for ゆうしょうれっぱいKanji details for 優, 勝, 劣 and 敗Edit in JMdict Noun1. survival of the fittestYojijukugo (four character compound) Discussions Log in to talk about this word.