EXTINCT

eks-tinkt': In Job 17:1, "My days are extinct" (za`akh (in Niphal)) and in Isaiah 43:17, "They are extinct" (da`akh), the word "extinct" should be recognized as a form of the participle, equivalent to "extinguished," so that in both passages an action, not merely a state, is indicated.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.