JMdict: 2112320

ものを言う 【ものをいう】

  1. [exp,v5u] to speak (of something)
  2. [exp,v5u] to be effective; to be powerful; to be helpful; to be important; to matter; to mean everything
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