transitive verb-·dat·ed, -·dat·ing
to date before the actual date; predate
transitive verbback·dat·ed, back·dat·ing, back·dates
To mark or supply with a date that is earlier than the actual date: backdate a check.
(third-person singular simple present backdates, present participle backdating, simple past and past participle backdated)
- To give or assign a date to a document that is earlier than the current date.