まいぬ 負け犬 Wanikani level 11 Play audio LinksSentence search for 負け犬Sentence search for まけいぬKanji details for 負 and 犬Edit in JMdict Noun1. loser; failure; underdog; unsuccessful person; non-achiever; loser dogまけいぬ負け犬になるわけにはいかない。I can't stand getting beaten.Noun2. unmarried and childless older womanSlang, Derogatory, See also お一人様 おひとりさま Discussions Log in to talk about this word.