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unnecessary

[uhn-nes-uh-ser-ee] /ʌnˈnɛs əˌsɛr i/
adjective
1.
not necessary or essential; needless; unessential.
noun, plural unnecessaries.
2.
unnecessaries, things that are not necessary or essential.
Origin of unnecessary
1540-1550
1540-50; un-1 + necessary
Related forms
unnecessarily
[uhn-nes-uh-sair-uh-lee, -nes-uh-ser-] /ʌnˌnɛs əˈsɛər ə li, -ˈnɛs əˌsɛr-/ (Show IPA),
adverb
unnecessariness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for unnecessary

unnecessary

/ʌnˈnɛsɪsərɪ; -ɪsrɪ/
adjective
1.
not necessary
Derived Forms
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
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Word Origin and History for unnecessary
adj.

1540s, from un- (1) "not" + necessary. Related: Unnecessarily.

Online Etymology Dictionary, © 2010 Douglas Harper
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16
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