as in unreasonable
having no basis in reason or fact
an unsubstantiated claim that was thrown out of court
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Recent Examples of unsubstantiated
But Gallego and several council members opposed the agreement, calling the accusations unsubstantiated and others asking for a full review before adopting it.
—
Alicia Victoria Lozano, NBC news, 25 May 2025
This claim is unsubstantiated, with no evidence from the Federal Election Commission or other sources.
—Caché McClay, USA Today, 20 May 2025
The other was the longtime head of a conservative think tank with a history of advancing unsubstantiated voter fraud claims.
—Doug Bock Clark, ProPublica, 16 May 2025
Many of the accusations were ruled unsubstantiated, a classification the state uses when there is not enough evidence to support the allegations.
—Jeff McDonald, Mercury News, 12 May 2025
See All Example Sentences for unsubstantiated
Alicia Victoria Lozano, NBC news, 25 May 2025
This claim is unsubstantiated, with no evidence from the Federal Election Commission or other sources.
—Caché McClay, USA Today, 20 May 2025
The other was the longtime head of a conservative think tank with a history of advancing unsubstantiated voter fraud claims.
—Doug Bock Clark, ProPublica, 16 May 2025
Many of the accusations were ruled unsubstantiated, a classification the state uses when there is not enough evidence to support the allegations.
—Jeff McDonald, Mercury News, 12 May 2025
See All Example Sentences for unsubstantiated
Recent Examples of Synonyms for unsubstantiated
Adjective
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Solomon, 47, of Fairburn, was arraigned in federal court on June 17 on charges of using unreasonable force and obstructing justice, the U.S. Attorney’s Office for the Northern District of Georgia said in a news release.—
Julia Marnin,
Miami Herald,
18 June 2025
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California Department of Education officials in 2018 found that school staff used unreasonable and unnecessary force in restraining Max.—
Darrell Smith,
Sacbee.com,
17 June 2025
Adjective
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Rumors about drugging with needles began to swirl following the deadly Astroworld Festival crowd rush back in 2021, though those reports would subsequently prove to be unfounded.—
Ethan Millman,
HollywoodReporter,
23 June 2025
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This spring, multiple NATO officials told me that any sense of anxiety about America’s contribution to European security was unfounded: after all, nothing has changed in terms of the allocation of hard power.—
Joshua Yaffa,
New Yorker,
23 June 2025
Adjective
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Although users will likely be barraged with unavoidable pop-up messages warning them of the dangers of running an unsupported operating system, Windows 10 will still work.—
Barry Collins,
Forbes.com,
25 June 2025
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Swift's attorneys have repeatedly denied the allegations in the current and previous lawsuit, arguing for dismissal and noting that Marasco's claims are unsupported and, in many instances, time-barred under federal copyright law.—
Jenna Sundel,
MSNBC Newsweek,
3 June 2025
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiated. Accessed 30 Jun. 2025.
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