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
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Recent Examples of unsupported
In November, O'Brady, 40, will embark on a solo, unsupported 2,000-mile ski crossing of Antarctica over 110 days.
—
Bryan Alexander, USA Today, 2 Oct. 2025
In 2018, Colin O’Brady became the first person in history to cross the landmass of Antarctica—solo, unsupported and completely human-powered.
—Peter White, Deadline, 2 Oct. 2025
The order came one day after those states sued the administration, alleging the funding shift was politically motivated and legally unsupported.
—Robert Alexander, MSNBC Newsweek, 1 Oct. 2025
The trade pact is also a one-off, unsupported by any institutional infrastructure.
—Jennifer Kavanagh, Foreign Affairs, 30 Sep. 2025
See All Example Sentences for unsupported
Bryan Alexander, USA Today, 2 Oct. 2025
In 2018, Colin O’Brady became the first person in history to cross the landmass of Antarctica—solo, unsupported and completely human-powered.
—Peter White, Deadline, 2 Oct. 2025
The order came one day after those states sued the administration, alleging the funding shift was politically motivated and legally unsupported.
—Robert Alexander, MSNBC Newsweek, 1 Oct. 2025
The trade pact is also a one-off, unsupported by any institutional infrastructure.
—Jennifer Kavanagh, Foreign Affairs, 30 Sep. 2025
See All Example Sentences for unsupported
Recent Examples of Synonyms for unsupported
Adjective
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The letter came in response to a September argument from the CPSC that the launching of a new rule-compliant product undermined the argument that the rule was unreasonable.—
MSNBC Newsweek,
MSNBC Newsweek,
27 Oct. 2025
-
This is not unreasonable in the least.—
R. Eric Thomas,
Mercury News,
26 Oct. 2025
Adjective
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Musk himself has been known to repost unsubstantiated claims, boosting them to his hundreds of millions of followers.—
Hadas Gold,
CNN Money,
7 Oct. 2025
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Russia’s unsubstantiated claims that NATO is plotting armed provocations against Transnistria could be a pretext for Moscow’s meddling in Moldova, raising concerns about further military aggression in the region.—
Brendan Cole,
MSNBC Newsweek,
25 Sep. 2025
Adjective
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Any unofficial or decorative mark—including, of course, souvenir stamps—violates that rule and can render the document invalid.—
Lauren Dana Ellman,
Travel + Leisure,
25 Oct. 2025
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However, the registrar of voters office said in March that the group fell 1,027 short of the number required because of signatures determined to be invalid or in need of information such as a date or an address.—
Ashley Mackin Solomon,
San Diego Union-Tribune,
24 Oct. 2025
Cite this Entry
“Unsupported.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsupported. Accessed 1 Nov. 2025.
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