backdate /ˈbækˌdeɪt/ verb backdates; backdated; backdating
backdates; backdated; backdating
Learner's definition of BACKDATE
[+ object]
1
: to give (something) an earlier date than the actual date : antedate给…倒填日期(填写早于实际发生的日期) 2
: to say that something began or became effective at a date earlier than the current date使…在较早的日期生效;回溯