/ Thesaurus / H Synonyms of hypercarbia Find synonyms for: Noun1. hypercapnia, hypercarbia, physical condition, physiological state, physiological conditionusage: the physical condition of having the presence of an abnormally high level of carbon dioxide in the circulating bloodWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language