Added 9 October 2026 postpaid adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about postpaid at Wordnik → Where our words come from → Used especially of mail; paid in advance. Origin Compound of post + paid. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: paidprepaidmailedpost-paidprepayablepostpayprestampedprefundedforehandedpreaddedfore-handedpreaddressed Back to today's word