Noah Webster's Dictionary 1. (a.) Causing, or tending to cause, ruin; destructive; baneful; pernicious; as, a ruinous project. 2. (a.) Characterized by ruin; ruined; dilapidated; as, an edifice, bridge, or wall in a ruinous state. 3. (a.) Composed of, or consisting in, ruins.

Multi-Version Concordance Ruinous (4 Occurrences) 2 Kings 19:25 Haven't you heard how I have done it long ago, and formed it of ancient times? Now have I brought it to pass, that it should be yours to lay waste fortified cities into ruinous heaps. (WEB KJV JPS ASV DBY WBS YLT NAS) Job 30:24 Howbeit doth not one stretch out the hand in his fall? Or in his calamity therefore cry for help? (See JPS) Isaiah 17:1 The burden of Damascus: "Behold, Damascus is taken away from being a city, and it will be a ruinous heap. (WEB KJV JPS ASV DBY WBS) Isaiah 37:26 Have you not heard how I have done it long ago, and formed it in ancient times? Now I have brought it to pass, that it should be yours to destroy fortified cities, turning them into ruinous heaps. (WEB KJV JPS ASV DBY WBS YLT NAS)