defeating an argument; winning an argument; refutation; confutation
彼は相手の主張を見事に論破した。
He brilliantly refuted the opponent's claims.
論破されて反論の余地がなくなった。
Having been refuted, there was no room left for a rebuttal.
感情ではなく論理で論破すべきだ。
You should refute with logic, not emotion.