Noah \noah\ as a boy's name is pronounced NOH-ah. It is of Hebrew origin, and the meaning of Noah is "peaceful". Also possibly "long-lived", "comforter", or "wanderer". Biblical: the patriarch survivor of the Great Flood who drifted in the ark for 40 days of rain. According to the biblical account, all the world's nations are descended from Noah's three sons. The name has been steadily used since the 17th century. Noe is a Spanish form. Actor Noah Wyle.