/ Thesaurus / A Synonyms of airpost Find synonyms for: Noun1. airmail, airpost, mail, mail service, postal service, postusage: a system of conveying mail by aircraftWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language