Breadcrumb Home > Thesaurus > O Synonyms of osborne Find synonyms for: Noun1. Osborne, John Osborne, John James Osborneusage: English playwright (1929-1994)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of osborne (Dictionary) ✖ Related Content Daily Word Quiz: prandial Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language