Added 9 October 2026 uniqueness noun Categories: Describing WordsUncommon Words In Latin: ūnicitās Wiktionary noun ! Definition from Wiktionary (CC BY-SA). More about uniqueness at Wordnik → Where our words come from → The state or quality of being unique or one of a kind. Related Words: singularitypeculiarityexceptionexclusivenessdistinctivenessexclusivitydistinctnessspecificityparticularityexceptionalismoriginalityabnormality Back to today's word