Bearing a date earlier than the true date; assigned to an earlier date or time. Also: brought about at an earlier date; accelerated, anticipated.

That has been post-dated; spec. that has been assigned a later date than its true date.

Involving an error in chronology; not in the correct chronological position or order; = anachronic, adj.

Involving an error in chronology; not in the correct chronological position or order; anachronistic.

Assigned to a too early time or date; antedated.

That has been given an earlier date. (a) (Of a document, record, etc.) assigned to or bearing a date that is earlier than the actual date of…