/ Dictionary / Index P postpaid: Meaning and Definition of Find definitions for: post•paid Pronunciation: (pōst'pād'), [key] — adj., adv. with the postage prepaid: a postpaid reply card. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: postpaid (Thesaurus) postorbital postpartum Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language