Antedate \An"te*date`\ ([a^]n`t[-e]*d[=a]t`), n. 1. Prior date; a date antecedent to another which is the actual date.
2. Anticipation. [Obs.] --Donne.
Antedate \An"te*date`\ ([a^]n`t[-e]*d[=a]t`), v. t. [imp. & p. p. {Antedated}; p. pr. & vb. n. {Antedating}.] 1. To date before the true time; to assign to an earlier date;; thus, to antedate a deed or a bond is to give it a date anterior to the true time of its execution.
2. To precede in time.
3. To anticipate; to make before the true time.
And antedate the bliss above. --Pope.
Who rather rose the day to antedate. --Wordsworth.