Albert Barnes Commentary Job 32:12

"Yea, I attended unto you, And, behold, there was none that convinced Job, Or that answered his words, among you." — Job 32:12 (ASV)

There was none of you that convinced Job - There was no one to produce conviction on his mind, or rather, there was no one to reprove him by answering him - ענה מוכיח môkiyach ‛ânâh. They were completely silenced and had nothing to reply to the arguments which he had advanced, and to his reflections on the divine government.