/ Thesaurus / A Synonyms of air breathing Find synonyms for: Adjective1. air-breathingusage: deriving oxygen from the air; "he studied respiration in marine air-breathing vertebrates"; "large air-breathing ichthyosaurs had hydrofoils"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language