backdate

[ bak-deyt ]
/ ˈbækˌdeɪt /

verb (used with object), back·dat·ed, back·dat·ing.

to date earlier than the actual date; predate; antedate: Backdate the letter so he'll think I wrote it last week.

QUIZZES

QUIZ TIME: TEST YOUR MEMORY OF THE MAY 2020 WORDS OF THE DAY

Let the aeolian gusts transport you back to these popular Words of the Day from the month of May. How many do you remember?
Question 1 of 10
Which of the following words means “to travel or journey, especially to walk on foot”?

Origin of backdate

An Americanism dating back to 1945–50; back2 + date1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for back-dated

backdate
/ (ˌbækˈdeɪt) /

verb

(tr) to make effective from an earlier datethe pay rise was backdated to August
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012