Breadcrumb Home > Thesaurus > D Synonyms of duchy Find synonyms for: Noun 1. duchy, dukedom, domain, demesne, land usage: the domain controlled by a duke or duchess WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of duchy (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: inmediasres Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language