unnecessary

adjective

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

Examples of unnecessary in a Sentence

In this city, owning a car is unnecessary. Let's not take any unnecessary risks.
Recent Examples on the Web
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.
Be prepared for a communication breakdown — text messages may not make it to the right person, your plans may get completely derailed and all that fiery energy might translate into unnecessary confrontations or snap decisions. Valerie Mesa, People.com, 15 Mar. 2025 Too often, redesigns happen simply for the sake of change — unnecessary, expensive and often worse than what came before. Chicago Tribune, 15 Mar. 2025 Lopez said that was unnecessary, since medical providers already get similar training. Danielle J. Brown, Baltimore Sun, 14 Mar. 2025 However, that testing may often turn out to be unnecessary—some research suggests that over half of people with a positive MCD test don’t actually have cancer.8 There is a blood test for colorectal cancer, specifically, that was approved by the Food and Drug Administration (FDA) in August 2024. Kristen Fischer, Health, 14 Mar. 2025 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

Browse Nearby Words

Cite this Entry

“Unnecessary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnecessary. Accessed 27 Mar. 2025.

Kids Definition

unnecessary

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

More from Merriam-Webster on unnecessary

Last Updated: - Updated example sentences
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