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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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 Such accusations, while unsupported, undoubtedly place Magnus, a top Disney executive, in an uncomfortable position. — Bobby Burack Outkick, FOXNews.com, 4 Sep. 2026 The lawsuit filed by two former employees contains allegations that are false, misleading, and unsupported by credible evidence. — Devon Henderson, New York Times, 2 Sep. 2026 The lawsuit says the decision was unlawful, unsupported by facts and inconsistent with the military’s past praise of Claude. — Reuters, NBC news, 28 Aug. 2026 My office will scrutinize rate increases, challenge unsupported or unfair costs, ensure our climate priorities are met and demand transparency about how Rhode Island Energy spends customers’ money. — Katie Mulvaney, The Providence Journal, 25 Aug. 2026 See All Example Sentences for unsupported

Recent Examples of Synonyms for unsupported

Adjective

Then there’s the Tesseract, which takes the scooter formula and crams it with an almost unreasonable amount of technology.

— New Atlas, New Atlas, 3 Oct. 2026
But several individually reasonable events, viewed together and over time, can tell an unreasonable story.

— Shahen Minasyan, Forbes.com, 24 Sep. 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

But what was that invalid-fair-catch penalty on his next attempt?

— Blair Kerkhoff, Kansas City Star, 5 Oct. 2026
In the years that followed, Urbagestion argued that Abascal’s retention of the apartment was invalid and that the contract’s timing was no longer applicable.

— Charna Flam, PEOPLE, 25 Sep. 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 10 Oct. 2026.

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Synonyms of unsupported

adjective

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