verb (used with object), an·te·dat·ed, an·te·dat·ing.
- to be of older date than; precede in time: The Peruvian empire antedates the Mexican empire.
- predate(def 1).
- to assign to an earlier date: to antedate a historical event.
- to cause to return to an earlier time: to antedate one’s thoughts by remembering past events.
- to cause to happen sooner; accelerate: The cold weather antedated their departure from the country.
- Archaic. to take or have in advance; anticipate.
- a prior date.
verb (ˈæntɪˌdeɪt, ˌæntɪˈdeɪt) (tr)
- to be or occur at an earlier date than
- to affix a date to (a document, etc) that is earlier than the actual date
- to assign a date to (an event, etc) that is earlier than its previously assigned date
- to cause to occur sooner
- an earlier date