UNSUPPORTED Synonyms: 92 Similar and Opposite Words

unsupported

adjective

ˌən-sə-ˈpȯr-təd

Definition of unsupported

as in unreasonable

having no basis in reason or fact an unsupported claim that the structure was built by Vikings

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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 unsupported The payments included unsupported consulting fees, vacation compensation, and an IRA contribution. — Mark Price july 17, Charlotte Observer, 17 July 2026 Others have defended SpaceX, arguing that the changes will crack down on customers who cheat the system by using Starlink in unsupported countries, which criminals and scammers have been known to do. — Michael Kan, PC Magazine, 16 July 2026 Nseyo notes there are plenty of unsupported myths around what causes UTIs, so stick to these tips. — Alexandra Frost, USA Today, 30 June 2026 He is no longer charged with the capital offense of murder through the use of a firearm after Garnett dismissed it in January, finding the top count was legally unsupported by the other charges. — Molly Crane-Newman, New York Daily News, 29 June 2026 See All Example Sentences for unsupported

Recent Examples of Synonyms for unsupported

Adjective

The parties have blamed each other for trying to make unreasonable last-minute changes to their agreement.

— Kevin Breuninger,Michael Wayland, CNBC, 24 Aug. 2026
The investigation found Brazilian policies unreasonable or discriminatory toward US commerce.

— Joshua Hong, Fortune, 21 Aug. 2026

Definition of unreasonable

Adjective

Many are leaning into their own unsubstantiated suppositions, even those not backed by evidence.

— Rebekah Riess, CNN Money, 22 Aug. 2026
While unsubstantiated claims and speculation circulate online about what led to the killings, Elikann emphasized the importance of following official facts over social media speculation.

— Kelsie Cairns, FOXNews.com, 15 Aug. 2026

Definition of unsubstantiated

Adjective

Smith added that the trial occurred right around the time a new rule regarding peremptory challenges — motions by either side that exclude a juror — went into effect, making several reasons given by prosecutors to challenge a juror invalid.

— Caelyn Pender, Mercury News, 21 Aug. 2026
After those dates, any approvals would become invalid or void, as if they had never been granted.

— City News Service, Daily News, 20 Aug. 2026

Definition of invalid

Browse Nearby Words

unsupportable

unsupported

unsure

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“Unsupported.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsupported. Accessed 31 Aug. 2026.

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Synonyms of unsupported

adjective

Example Sentences

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