unnecessary

adjective

un·​nec·​es·​sary ˌən-ˈne-sə-ˌser-ē How to pronounce unnecessary (audio)
Synonyms of unnecessarynext
: not necessary
took unnecessary precautions

Synonyms of unnecessary

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Examples of unnecessary in a Sentence

In this city, owning a car is unnecessary. Let's not take any unnecessary risks.
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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That might sound like an unnecessary ask for a week-long vacation, but the rule is in place for good reason. — Jessica Puckett, Condé Nast Traveler, 29 Oct. 2026 Professional organizer Star Hansen explains how to let go of unnecessary items – and keep your home neat and tidy. — Andee Tagle, NPR, 29 Oct. 2026 Everyday expenses leave little room for extra payments For many households, making larger debt payments isn't simply a matter of eliminating unnecessary purchases. — Angelica Leicht, CBS News, 28 Oct. 2026 Amazon nixed it in May after the practice raised concerns about unnecessary computing costs, which can add up quickly. — Mia Osmonbekov, Fortune, 28 Oct. 2026 See All Example Sentences for unnecessary

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unnecessary was in the 15th century

Rhymes for unnecessary

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Browse Nearby Words

unnecessariness
unnecessary
unnecessitated
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Cite this Entry

“Unnecessary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnecessary. Accessed 1 Nov. 2026.

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Kids Definition

unnecessary

adjective
un·​nec·​es·​sary ˌən-ˈnes-ə-ˌser-ē How to pronounce unnecessary (audio)
ˈən-
: not necessary
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