Breadcrumb Home > Thesaurus > P Synonyms of prince rupert Find synonyms for: Noun1. Rupert, Prince Rupertusage: English leader (born in Germany) of the Royalist forces during the English Civil War (1619-1682)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language