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
As politicians fabricate unsubstantiated accusations about anti-Republican bias in North Carolina and bizarre assertions about how and where FEMA money is used, people in the path of Helene and Milton face a larger reckoning.
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Porter Fox, TIME, 10 Oct. 2024
In several of his personal attacks on Harris, including the reference to drinking, Trump appeared to be referencing falsehoods or unsubstantiated claims spreading online in far-right circles.
—Jill Colvin, Fortune, 23 Oct. 2024
Shannon Eddy, executive director of the Large-Scale Solar Assn., who supported exploring listing the owls, said the petitioners made unsubstantiated claims about the effect of solar projects on the species.
—Lila Seidman, Los Angeles Times, 14 Oct. 2024
In the aftermath, FEMA's disaster response has been the subject of many false claims and unsubstantiated rumors.
—Andre Byik, USA TODAY, 10 Oct. 2024
See all Example Sentences for unsubstantiated 
Porter Fox, TIME, 10 Oct. 2024
In several of his personal attacks on Harris, including the reference to drinking, Trump appeared to be referencing falsehoods or unsubstantiated claims spreading online in far-right circles.
—Jill Colvin, Fortune, 23 Oct. 2024
Shannon Eddy, executive director of the Large-Scale Solar Assn., who supported exploring listing the owls, said the petitioners made unsubstantiated claims about the effect of solar projects on the species.
—Lila Seidman, Los Angeles Times, 14 Oct. 2024
In the aftermath, FEMA's disaster response has been the subject of many false claims and unsubstantiated rumors.
—Andre Byik, USA TODAY, 10 Oct. 2024
See all Example Sentences for unsubstantiated
Recent Examples of Synonyms for unsubstantiated
Adjective
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As Barca laboured and eventually failed to land some of its transfer targets such as Nico Williams, the proposal for Casado might not have seemed too unreasonable at the time.Tom Sanderson, Forbes, 5 Nov. 2024
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The indictment alleged Hankison deprived Taylor of the right to be free from unreasonable seizures and deprived her neighbors of the right to be free from the deprivation of liberty without due process of law.Meredith Deliso, ABC News, 2 Nov. 2024
Adjective
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Yet that hasn’t stopped Trump and some of his most high-profile supporters from making unfounded claims that noncitizens are registering and voting in large numbers this year.Andy Kroll, ProPublica, 4 Nov. 2024
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But with early voting well underway and just days before the remainder of the 2024 presidential election ballots are cast, unfounded conspiracy theories about the safety of voting machines loom over the fight for the White House.Leah Sarnoff, ABC News, 31 Oct. 2024
Adjective
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Music can be cast from any unsupported apps using Google Chromecast, Alexa Cast, DLNA, Spotify Connect, and TIDAL Connect.Mark Sparrow, Forbes, 3 Nov. 2024
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Election integrity has been a central concern in the lead-up to November 5, as former President Donald Trump continues to make unsupported claims that the 2020 election was stolen from him through widespread voter fraud.Nina Turner, Newsweek, 30 Oct. 2024
Articles Related to unsubstantiated
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Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiated. Accessed 22 Nov. 2024.
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