Breadcrumb Home > Thesaurus > C Synonyms of circumflex Find synonyms for: Noun1. circumflex, diacritical mark, diacriticusage: a diacritical mark (^) placed above a vowel in some languages to indicate a special phonetic qualityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of circumflex (Dictionary) ✖ Related Content Daily Word Quiz: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language