/ Thesaurus / D Synonyms of defervescent Find synonyms for: Adjective1. defervescentusage: of or relating to the reduction of a feverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language