Definitions

1. verb

to assign a date to a document, agreement, or event before it was actually made or occurred

“The company antedated the contract to make it seem like they had agreed on the terms earlier.”

2. verb

to make a payment or claim before it is due

“The insurance company antedated the payment to help the family cover their medical expenses.”

3. noun

a payment or claim made before it is due

“The insurance company made an antedate payment to help the family cover their medical expenses.”