Added 10 October 2026 undecidedness noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about undecidedness at Wordnik → Where our words come from → The quality of being undecided. Origin From undecided + -ness. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: undeterminednessindecisivenessambivalenceindeterminatenessuncertainnessundeterminatenessunconclusivenessindecisionindeterminacyuncommittednessindeterminablenessunambivalence Back to today's word