Breadcrumb Home > Thesaurus > O Synonyms of on air Find synonyms for: Adverb1. on airusage: very happily; "we were floating on air at the news"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: prandial Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language