backdate

[ bak-deyt ]

verb (used with object)

, back·dat·ed, back·dat·ing.

1. to date earlier than the actual date; predate; antedate:

   Backdate the letter so he'll think I wrote it last week.

backdate

/ ˌbækˈdeɪt /

verb

1. tr to make effective from an earlier date

   the pay rise was backdated to August

Word History and Origins

Origin of backdate¹

An Americanism dating back to 1945–50; back ² + date ¹

Example Sentences

BBC News NI understands a pay award backdated to this August is currently being considered by union representatives.

From BBC

When she refused, they copied the post to a blogging website, backdated it, and then claimed she had plagiarized it in an example of copyright infringement.

From Los Angeles Times

The proposed release of long term prisoners would involve inmates sentenced to over four years and would be backdated to 2016, the last time the rules were changed.

From BBC

The union said that when compounded, the offer works out at 15%, is backdated, pensionable and includes drivers who retired or left the industry during the dispute.

From BBC

The pay deal includes a 4% backdated pay rise for 2023-24, on top of the existing increase they have already received worth an average of 9% for the last financial year.

From BBC