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.
These scans can detect benign anomalies that trigger unnecessary follow-ups and patient anxiety. Sindhya Valloppillil, Forbes.com, 1 July 2025 Court papers say the defendant, Farrukh Ali, conspired with at least 41 substance abuse clinics to bill the state for hundreds of millions of dollars for substance abuse services that were never provided, not provided as billed or were medically unnecessary. Ryan Lucas, NPR, 30 June 2025 Plus, billions of dollars are spent on unnecessary tests—contributing to rising national health care costs and exacerbating terse relations between hospitals and insurance companies. Alexis Kayser, MSNBC Newsweek, 30 June 2025 Other problems can cause similar symptoms, so actual confirmation of grubs is key to avoid unnecessary treatments. Megan Hughes, Better Homes & Gardens, 29 June 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 5 Jul. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!