/ Thesaurus / S Synonyms of semicircular Find synonyms for: Adjective1. semicircular, curved (vs. straight), curvingusage: curved into a half circleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language