Added 10 October 2026 doubtworthy adjective adjective ! Definition from Wiktionary (CC BY-SA). More about doubtworthy at Wordnik → Where our words come from → Worthy of doubt; uncertain. Origin From doubt + -worthy. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: doubtabledoubtfuldubitablequestionablefaultworthyproblematicdamnworthyequivocaldebatablediscreditabledisbelievablearguable Back to today's word