1. to make or become wider or broader
2. to increase in scope, range, or extent

Examples

• The city plans to widen the highway to reduce traffic congestion.
• Her eyes widened in surprise when she saw the gift.
• The river widens as it approaches the sea.
• The company decided to widen its product range.
• The gap between rich and poor continues to widen.
• They need to widen the doorway for wheelchair access.
• His smile widened when he heard the good news.