An·te·date 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.
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