/ Thesaurus / A Synonyms of air space Find synonyms for: Noun1. airspace, air space, spaceusage: the space in the atmosphere immediately above the earthNoun1. airspace, air space, spaceusage: the atmosphere above a nation that is deemed to be under its jurisdiction; "the plane was refused permission to enter Chinese airspace"WordNet 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