1. Destruction; fall; overthrow; defeat; that change of any thing which destroys it, or entirely defeats its object, or unfits it for use; as the ruin of a house; the ruin of a ship or an army; the ruin of a constitution of government; the ruin of health; the ruin of commerce; the ruin of public or private happiness; the ruin of a project.
2. Mischief; bane; that which destroys.
3. The errors of young men are the ruin of business.
4. ruin more generally ruins, the remains of a decayed or demolished city, house, fortress, or any work of art or other thing; as the ruins of Balbec, Palmyra or Persepolis; the ruins of a wall; a castle in ruins.
5. The labor of a day will not build up a virtuous habit on the ruins of an old and vicious character.
6. The decayed or enfeebled remains of a natural object; as, the venerable old man presents a great mind in ruins.
7. The cause of destruction.
8. They were the ruin of him and of all Israel. 2 Chronicles 28:23 .
9. RU'IN , v, t,
10. To demolish; to pull down, burn, or otherwise destroy; as, to ruin a city or an edifice.
11. To subvert; to destroy; as, to ruin a state or government.
12. To destroy; to bring to an end; as, to ruin commerce or manufactures.
13. To destroy in any manner; as, to ruin health or happiness; to ruin reputation.
14. To counteract; to defeat; as, to ruin a plan or project.
15. To deprive of felicity or fortune.
16. By thee rais'd I ruin all my foes.
18. To impoverish; as, to be ruined by speculation.
19. The eyes of other people are the eyes that ruin us.
20. To bring to everlasting misery; as, to ruin the soul.
