1. careful and persistent work or effort

Examples

• Her diligence in studying paid off with excellent grades.
• The project’s success was due to the team’s diligence and attention to detail.
• With diligence and practice, he mastered the difficult piano piece.
• The detective’s diligence led to solving the cold case.
• Students who show diligence in their homework tend to perform better on tests.
• The company values employees who demonstrate diligence in their daily tasks.