Meaning of 物を言う in Japanese

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Definition of 物を言う

ものをいう(monowoiu) 【物を言う ·ものを言う】

(exp, v5u) to speak (of something)
目が口よりものを言う時がある。
Eyes sometimes talk louder than words.
to be effective; to be powerful; to mean everything

めはくちほどにものをいう(mehakuchihodonimonowoiu) 【目は口ほどに物を言う ·目は口程に物を言う】

(exp, v5u) one can say more with a look than with ten thousand words; the eyes cannot belie one's true thoughts; the eyes are the windows to the soul; Eyes are as eloquent as the tongue →Related words: 物を言う

かねがものをいう(kanegamonowoiu) 【金が物を言う ·金がものを言う】