1. to put a date on something that is later than the actual date
2. to occur or exist at a time later than something else

1. a check or document dated with a future date

Examples

• She decided to postdate the check so it wouldn’t be cashed until Friday.
• The contract was postdated to begin next month.
• This building postdates the Civil War by several decades.
• The archaeological evidence postdates the original theory.
• He gave me a postdate for the rent payment.
• The bank refused to accept the postdate because it was too far in the future.