Proprietary Soft redirect to Wiktionary Wikipedia does not have an article on "proprietary", but its sister project Wiktionary does: Read the Wiktionary entry "proprietary" You can also: Search for Proprietary in Wikipedia to check for alternative titles or spellings. Start the Proprietary article, using the Article Wizard if you wish, or add a request for it; but please remember that Wikipedia is not a dictionary.wiktionary:Special:Search/proprietary
