JMdict: 1264240

言い負かす 【いいまかす】

  1. [v5s,vt] to defeat (someone) in an argument; to argue (someone) down; to confute (someone); to refute (someone)
Search on Immersion Kit
Search on Forvo

Kanji in this word:

Kanji Meanings On Readings Kun Readings
言 Say, Word ゲン, ゴン い.う, こと
負 Defeat, Negative, -, Minus, Bear, Owe, Assume A Responsibility フ ま.ける, ま.かす, お.う