/ Thesaurus / A Synonyms of antithetically Find synonyms for: Adverb1. antitheticallyusage: with antithesis; in an antithetical mannerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language