To refute or defeat someone's argument; to win a debate by dismantling the opponent's reasoning with logic or evidence.
彼女は冷静に相手の論点を崩して論破した。
She calmly dismantled the opponent's points and refuted them.
SNSでの議論で簡単に論破されてしまった。
I was easily refuted in an argument on social media.
教授は学生の誤解を論破して正しい理論を示した。
The professor refuted the student's misunderstanding and showed the correct theory.