as in unreasonable
having no basis in reason or fact
an unsubstantiated claim that was thrown out of court
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Example Sentences
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Recent Examples of unsubstantiated
Andrew Caballero-Reynolds / AFP via Getty Images Yet, that has not prevented people from calling for justice for Reed on social media and circulating unsubstantiated allegations regarding his death.
—
Daniella Silva, NBC news, 16 Sep. 2025
Allowing the President to unlawfully remove Governor Cook on unsubstantiated and vague allegations would endanger the stability of our financial system and undermine the rule of law.
—Siladitya Ray, Forbes.com, 10 Sep. 2025
There were unsubstantiated reports of a gunman in the facility, and the ATF, in a joint operation with the New Orleans SWAT team, stormed the location with guns drawn to hunt down a gunman who never materialized.
—Mandi Wright, Freep.com, 31 Aug. 2025
ByteDance has denied these claims, which remain unsubstantiated.
—Kinsey Crowley, USA Today, 27 Aug. 2025
See All Example Sentences for unsubstantiated
Daniella Silva, NBC news, 16 Sep. 2025
Allowing the President to unlawfully remove Governor Cook on unsubstantiated and vague allegations would endanger the stability of our financial system and undermine the rule of law.
—Siladitya Ray, Forbes.com, 10 Sep. 2025
There were unsubstantiated reports of a gunman in the facility, and the ATF, in a joint operation with the New Orleans SWAT team, stormed the location with guns drawn to hunt down a gunman who never materialized.
—Mandi Wright, Freep.com, 31 Aug. 2025
ByteDance has denied these claims, which remain unsubstantiated.
—Kinsey Crowley, USA Today, 27 Aug. 2025
See All Example Sentences for unsubstantiated
Recent Examples of Synonyms for unsubstantiated
Adjective
-
Sales goals have proven unreasonable.—
James Raia,
Mercury News,
21 Sep. 2025
-
If a person’s disability is disturbing or harming other residents, allowing that disturbance to continue could be an unreasonable accommodation and therefore not protected by Fair Housing laws.—
Kelly G. Richardson,
Oc Register,
19 Sep. 2025
Adjective
-
Moscow has called the accusations unfounded.—
Shane Croucher,
MSNBC Newsweek,
24 Sep. 2025
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Trump has pushed unfounded claims that Biden didn’t understand what was going on during his presidency because of his use of an autopen to sign legislation and pardons.—
Lalee Ibssa,
ABC News,
24 Sep. 2025
Adjective
-
Unfortunately, none of these concerns are baseless.—
Edward Lotterman,
Twin Cities,
21 Sep. 2025
-
Open Society Foundations has openly contested that these allegations are baseless.—
Kaelan Deese,
The Washington Examiner,
18 Sep. 2025
Adjective
-
Poa contends this presents a conflict that is unsupported by the statute, case law or agency guidance.—
Michael McCann,
Sportico.com,
22 Sep. 2025
-
Doctors told Politico that the changes are unsupported by evidence.—
semafor.com,
semafor.com,
22 Sep. 2025
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiated. Accessed 29 Sep. 2025.
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