antedate /ˈæntɪˌdeɪt/ verb antedates; antedated; antedating
antedates; antedated; antedating
Learner's definition of ANTEDATE
[+ object] formal
1
: to give an earlier date rather than the actual date to (something)填写比实际日期更早的日期 — opposite postdate 2
: to be earlier or older than (something) : predate在…之前;先于早于 — opposite postdate