Meanings
-
1
verb
to exist or occur earlier than something else
Cantor's discovery antedated Russell's work by eighteen years.
-
2
verb
to put an earlier date on a document or event than its actual date
The forged letter was antedated to make it appear contemporary with the treaty.
Thesaurus
Etymology
Formed from Latin ante ("before") + date. The verb first referred to assigning an earlier date and then broadened to mean existing or occurring before another thing.