Added 9 October 2026 undutifulness noun Categories: Describing WordsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about undutifulness at Wordnik → Where our words come from → The state or condition of being undutiful. Origin From undutiful + -ness. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: unduteousnessuncomelinessunlovelinessundesirablenessunprettinessuglinessunkemptnessunbefittingnessunbecomingnessunsordidnessunkemptitudeunwholesomeness Back to today's word