RU'INOUS, a. 50ruinosus.

1. Fallen to ruin entirely decayed demolished dilapidated as an edifice, bridge or wall in a ruinous state.
2. Destructive baneful pernicious bringing or tending to bring certain ruin. Who can describe the ruinous practice of intemperance?
3. Composed of ruins consisting in ruins as a ruinous heap. Isaiah 17 .