Home › Words › U › unnecessityunnecessityunnecessity means needlessness.EtymologyFrom un- + necessity.nounneedlessnesssomething that is unnecessaryDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.needlessness 77% match — The state or characteristic of being needless. vs unnecessity →unnecessitated 77% match — Not necessitated. vs unnecessity →needless 75% match — Not needed; unnecessary. vs unnecessity →nonnecessary 74% match — Not necessary. vs unnecessity →unnecessitate 73% match — To remove the requirement for something; to make unnecessary. vs unnecessity →unneeded 73% match — Not needed. vs unnecessity →unneededly 71% match — In an unneeded manner; not neededly. vs unnecessity →unneeding 71% match — Having no needs. vs unnecessity →