UNNECESSARY Synonyms: 30 Similar and Opposite Words

unnecessary

adjective

ˌən-ˈne-sə-ˌser-ē

Definition of unnecessary

as in extra

not needed by the circumstances or to accomplish an end that large suitcase is unnecessary—we are only going to be away for a couple of days

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Example Sentences

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.

Recent Examples of unnecessary Every ingredient serves a purpose, helping pet parents focus on quality rather than unnecessary extras. — Matthew Kayser, USA Today, 27 Aug. 2026 What started as an unnecessary, but precautionary full-body MRI that checks for more than 500 conditions ended up saving Philipps’ life. — Isabelle Farina, Variety, 26 Aug. 2026 Brought to the region to address economic and environmental woes shaped by the ghost of plantation slavery, kudzu was later abandoned as shifting needs rendered the plant unnecessary. — The Editors, JSTOR Daily, 26 Aug. 2026 Davis was much more somber, and his attorney, Wayne Higgins, is heard frequently admonishing his client for volunteering unnecessary information. — Taylor Romine, CNN Money, 26 Aug. 2026 See All Example Sentences for unnecessary

Recent Examples of Synonyms for unnecessary

Adjective

There have been scattered instances of athletes returning to their previous school for the extra season, including two LSU women’s soccer players who are part of the case.

— Seth Emerson, New York Times, 31 Aug. 2026
The closure channeled extra traffic to and then backed up I-285 northbound on both sides of town from well before its two I-20 intersections.

— Doug Turnbull, AJC.com, 30 Aug. 2026

Definition of extra

Adjective

Bonnell also uses a belt drive as standard equipment for quieter, lower-maintenance operation, with an optional 520 chain conversion available for riders who prefer a more traditional setup.

— New Atlas, New Atlas, 2 Sep. 2026
The brand added that the toothbrush’s camera feed is strictly live and optional, with no images or video stored on the app or the phone, and no access for the company at any point.

— Tianwei Zhang, Footwear News, 1 Sep. 2026

Definition of optional

Adjective

But administrative burdens are a technology of annoyance, degradation, discrimination, and needless extraction.

— Literary Hub, Literary Hub, 26 Aug. 2026
Still, the economic particulars underpinning this needless antagonism essentially are beside the point.

— The Editorial Board, Chicago Tribune, 25 Aug. 2026

Definition of needless

Adjective

Catherine and Alice are such complicated figures that the word likable seems irrelevant to them.

— Joy Press, Vanity Fair, 31 Aug. 2026
Markets may decide that the long lead time required to rebuild Venezuelan production makes the agreement largely irrelevant to near-term supply.

— Robert Rapier, Forbes.com, 29 Aug. 2026

Definition of irrelevant

Adjective

Disable any software running on the computer that is nonessential and always close applications when you are finished using them.

— BestReviews, Mercury News, 10 Aug. 2026
On March 19, 2020, California issued a statewide order directing people to stay at home and all nonessential businesses to close.

— Harmeet Kaur, CNN Money, 6 Aug. 2026

Definition of nonessential

Adjective

Last year, the panel also made several unwarranted changes to vaccine recommendations, including dropping the universal recommendation for a birth dose of the hepatitis B vaccine—a move widely decried by medical and health experts.

— Beth Mole, ArsTechnica, 24 Aug. 2026
At 79, Levy has been pleased to discover that often his discomfort is unwarranted.

— Matthew Jacobs, HollywoodReporter, 17 Aug. 2026

Definition of unwarranted

Adjective

According to correspondence reviewed by ProPublica, the Joint Staff disagreed with the Army acting secretary, who said in a February 2025 memo that the program was redundant and recommended Congress repeal the law that set it in motion.

— Megan Rose, ProPublica, 25 Aug. 2026
Carbyne reports that redundant calls among those triaged calls dropped by more than 30%.

— Kurt Knutsson, FOXNews.com, 25 Aug. 2026

Definition of redundant

Adjective

Or they could once again be tempted if the overlapping skill sets of some players — most likely Waddle, Franklin and Mims — make somebody dispensable.

— Parker Gabriel, Denver Post, 15 July 2026
These educational crises—combined with evolutions in technology and culture—have rendered the experience of reading fiction, let alone poetry, a dispensable element of human life.

— Brady Brickner-Wood, New Yorker, 8 July 2026

Definition of dispensable

Browse Nearby Words

unnaturally

unnecessary

unneeded

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“Unnecessary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unnecessary. Accessed 2 Sep. 2026.

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Synonyms of unnecessary

adjective

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