Defeat or loss in a competition or struggle (applies to individuals, groups, or teams). Antonym: victory.
最後の一球で敗北を喫した。
They suffered defeat on the final pitch.
敗北から学ぶことが次の成功につながる。
Learning from defeat leads to future success.
彼は敗北を認めず、再戦を望んだ。
He wouldn't admit defeat and wanted a rematch.