unnecessary

[ uhn-nes-uh-ser-ee ]
See synonyms for unnecessary on Thesaurus.com
adjective
  1. not necessary or essential; needless; unessential.

noun,plural un·nec·es·sar·ies.
  1. unnecessaries, things that are not necessary or essential.

Origin of unnecessary

1
First recorded in 1540–50; un-1 + necessary

Other words from unnecessary

  • un·nec·es·sar·i·ly [uhn-nes-uh-sair-uh-lee, -nes-uh-ser-], /ʌnˌnɛs əˈsɛər ə li, -ˈnɛs əˌsɛr-/, adverb
  • un·nec·es·sar·i·ness, noun

Words Nearby unnecessary

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use unnecessary in a sentence

British Dictionary definitions for unnecessary

unnecessary

/ (ʌnˈnɛsɪsərɪ, -ɪsrɪ) /


adjective
  1. not necessary

Derived forms of unnecessary

  • unnecessarily, adverb
  • unnecessariness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012