/ Thesaurus / P Synonyms of post paid Find synonyms for: Adjective1. postpaid, prepaid, paid (vs. unpaid)usage: used especially of mail; paid in advanceAdverb1. post-free, post-paidusage: having the postage paid by the sender; "I will send it post-paid"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language