/ Thesaurus / A Synonyms of abdominal breathing Find synonyms for: Noun1. abdominal breathing, breathing, external respiration, respiration, ventilationusage: breathing in which most of the respiratory effort is done by the abdominal muscles; "abdominal breathing is practiced by singers"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language