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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.