Breadcrumb Home > Thesaurus > G Synonyms of glendower Find synonyms for: Noun1. Glendower, Owen Glendowerusage: Welsh chieftain who led a revolt against Henry IV's rule in Wales (1359-1416)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of glendower (Dictionary) ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language