undefeated
🇺🇸
/ˌʌndɪˈfiːtɪd/
🇬🇧
/ˌʌndɪˈfiːtɪd/
not having lost or been beaten in a competition or game
The undefeated team was full of confidence as they prepared for their next game.
未败的球队在准备下一场比赛时充满了信心。