/ Thesaurus / B Synonyms of breathlessness Find synonyms for: Noun1. shortness of breath, SOB, breathlessness, dyspnea, dyspnoeausage: a dyspneic conditionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language