backdatev.
transitive. To affix or assign a date earlier than the actual one to (a document, book, event, etc.); to render an enactment, agreement, etc., valid retroactively from a given date.
ΘΚΠ
the world > time > reckoning of time > chronology > arrange chronologically [verb (transitive)] > assign to a certain date > to a wrong, later, or earlier date > antedate a document
antedate1568
post-date1624
backdate1946
1946 Sun (Baltimore) 26 Sept. 2/2 A stenographer..testified that..a War Assets official dictated the memorandum last April and ordered her to back-date it to December 18, 1945.
1952 Daily Progress (Charlottesville, Va.) 6 Feb. 1/5 Backdating of tax returns is the major irregularity..found in the San Francisco internal revenue office.
1957 Ann. Reg. 1956 4 A deadlock ensued on whether the award, if accepted, should be back-dated to the beginning of the lock-out.
1958 Listener 19 June 1028/1 The poems cover the years 1918–58. One might back-date them in style perhaps by ten years.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2021).
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