Added 10 October 2026 unsimilarity noun Categories: Describing WordsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about unsimilarity at Wordnik → Where our words come from → dissimilarity Related Words: dissimilarityimparitydiscordancydesynchronicitydissymmetrycounterdistinctionunderdispersionadequationasynchronismstereodisparityparallelaritydiachroneity Back to today's word