/ Thesaurus / T Synonyms of three membered Find synonyms for: Adjective1. three-membered, 3-membered, membered (vs. memberless)usage: of a chemical compound having a ring with three membersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language