無む敗はい

noun which may take the genitive case particle 'no', noun

undefeated; unbeaten

Describes a person, team, or record that has never lost. Often used in sports and competitive contexts.

• そのボクサーは無む敗はいのまま引いん退たいした。

  The boxer retired undefeated.

• 我わが校こうのサッカー部ぶは今こんシーズン無む敗はいだ。

  Our school's soccer team is undefeated this season.