1The company's ruinous debt forced it to file for bankruptcy and close several factories.
2Is the new tax policy likely to have a ruinous effect on small businesses?
3The hurricane had a ruinous impact on the coastal town, destroying hundreds of homes and businesses.
4If you continue to spend money recklessly, it will have ruinous consequences for your financial future.
5The government's decision to cut funding for the arts program will have a ruinous effect on the local cultural scene.