1. a document that serves as evidence or proof of a transaction or payment
2. a coupon or token that can be exchanged for goods or services
3. a person who vouches for or supports someone or something

1. to give or serve as a voucher for something
Usage: formal

Examples

• She kept the voucher as proof of her hotel payment.
• The gift voucher can be used at any store in the mall.
• I received a discount voucher in the mail.
• He served as a voucher for her good character.
• The company will voucher all legitimate business expenses.
• Save your parking voucher to get reimbursed.
• The restaurant voucher expires next month.