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 defense said the government’s theory is unsupported and urged the judge to dismiss the charges. — Kaelan Deese, The Washington Examiner, 7 Oct. 2026 Short text, editing, translation and unsupported models can all produce undetected content. — Aamir Khollam, Interesting Engineering, 5 Oct. 2026 Make Failure Visible Early A pilot should intentionally test emergencies, cancellations, incomplete patient information, holiday hours, insurance questions, human handoffs and unsupported requests. — Manjot Pal, Forbes.com, 1 Oct. 2026 In 2018, a university climate survey revealed Native students felt the most unsupported on campus, according to Reed. — Emma Hall, Sacbee.com, 16 Sep. 2026 See All Example Sentences for unsupported

Recent Examples of Synonyms for unsupported

Adjective

On the surface, paying as low as 24 cents for an hour of streaming game time doesn’t sound completely unreasonable.

— Kyle Orland, ArsTechnica, 21 Oct. 2026
If Putin rejects the framework — or, more likely, demands unreasonable changes — then the world will at least know who blocked the fledgling peace effort.

— David Ignatius, Washington Post, 21 Oct. 2026

Definition of unreasonable

Adjective

Internal affairs complaints The lawsuit identifies five internal complaints filed against Sumstad between December 2022 and October 2025 and alleges each was dismissed, deemed unsubstantiated or ended in her exoneration.

— Ben Wheeler, Kansas City Star, 24 Sep. 2026
Somehow this unsubstantiated story became internationally known with almost no major media explicitly reporting it, and before the modern version of the internet.

— Allen Salkin, HollywoodReporter, 14 Sep. 2026

Definition of unsubstantiated

Adjective

At one point, Green stops to back up Officer Thompson, who’s dealing with a driver whose temporary license plate appears to be invalid.

— Théoden Janes, Charlotte Observer, 26 Oct. 2026
Two months later, pointing to the Moreno Valley decision, the city deemed the development agreement invalid and demanded its money back.

— Los Angeles Times, Los Angeles Times, 23 Oct. 2026

Definition of invalid

Browse Nearby Words

unsupportable

unsupported

unsure

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Style

“Unsupported.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsupported. Accessed 28 Oct. 2026.

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Synonyms of unsupported

adjective

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