1. the physical destruction or disintegration of something
2. the remains of a building or place that has been badly damaged or destroyed
3. complete loss of wealth, position, or prospects

1. to damage something so badly that it loses all its value, pleasure, or usefulness
2. to cause someone to lose their money, position, or reputation

Examples

• The earthquake left the ancient temple in ruins.
• Tourists visited the Roman ruins in the countryside.
• The scandal brought about his political ruin.
• The rain ruined our picnic plans.
• Bad investments ruined the wealthy businessman.
• Don’t let one mistake ruin your entire day.
• The castle ruins attracted many photographers.
• Heavy drinking will ruin your health.