Home › Words › U › unnecessarinessunnecessarinessunnecessariness means the state or characteristic of being unnecessary.Among words judged in Lexicurio's Arena, unnecessariness ranks #28,428 of 42,791 for Qualifying.EtymologyFrom unnecessary + -ness.nounThe state or characteristic of being unnecessary.Definitions & examples from Wiktionary (CC BY-SA 3.0).