put an earlier date on something

backdate

verb|/ˈbæk.deɪt/

To assign an earlier date to a document or event than when it actually occurred

Examples

In a meeting

We can backdate the contract to align with when the work actually started.

Over coffee

I backdated the check to the first of the month so it would clear with my rent.

Why this word

antedate

Backdate means assigning an earlier date to a document or event than when it actually occurred, while antedate can mean preceding in time generally

predate

Backdate specifically means marking something with a past date (often for legal/administrative purposes), while predate means coming before in time

change the date

Backdate specifically means assigning an earlier effective date, often retrospectively, while change the date is neutral about direction or purpose

Usage tip

Use carefully as it can imply questionable ethics; clarify legitimacy in professional contexts.

Etymology

English back (toward the past) + date (from Latin datum, given)

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