1. to pay back money that was borrowed or owed
2. to give something in return for a favor, kindness, or service received
3. to be worth the time, effort, or money spent

Examples

• I need to repay the loan by next month.
• She promised to repay the money with interest.
• How can I ever repay you for your kindness?
• He wanted to repay his parents for their support.
• The investment will repay itself within two years.
• Hard work will repay you in the end.
• This book will repay careful reading.