/ Dictionary / Index P postdate: Meaning and Definition of Find definitions for: post•date Pronunciation: (pōst-dāt', pōst'-), [key] — -dat•ed, -dat•ing. to date (a check, invoice, letter, document) with a date later than the actual date. to follow in time: His recognition as an artist postdated his death. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: postdate (Thesaurus) postcranial postdeterminer Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language