as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Recent Examples of unfounded
China, Russia and Iran could deface and take down election websites to feed unfounded concerns that votes are being tampered with.
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Sam Sabin, Axios, 25 Oct. 2024
Allegations of voter fraud and election interference have begun in early voting, following years of unfounded claims surrounding the result of the 2020 presidential race.
—Marco Rubio, Newsweek, 1 Nov. 2024
During the 2024 presidential race, former President Donald Trump and his allies, including X owner Elon Musk, have promoted an unfounded conspiracy theory that undocumented migrants are being allowed into the U.S. to vote.
—Laura Doan, CBS News, 30 Oct. 2024
These events happened months ago, before the election was in full swing and before people started making unfounded claims about it being rigged.
—Ali Breland, The Atlantic, 29 Oct. 2024
See all Example Sentences for unfounded 
Sam Sabin, Axios, 25 Oct. 2024
Allegations of voter fraud and election interference have begun in early voting, following years of unfounded claims surrounding the result of the 2020 presidential race.
—Marco Rubio, Newsweek, 1 Nov. 2024
During the 2024 presidential race, former President Donald Trump and his allies, including X owner Elon Musk, have promoted an unfounded conspiracy theory that undocumented migrants are being allowed into the U.S. to vote.
—Laura Doan, CBS News, 30 Oct. 2024
These events happened months ago, before the election was in full swing and before people started making unfounded claims about it being rigged.
—Ali Breland, The Atlantic, 29 Oct. 2024
See all Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
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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While the other governors’ concern is probably groundless, the new reserves are proving politically useful for some in this era of fearmongering politicos.Thomas Elias, The Mercury News, 1 Nov. 2024
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The upshot is that the AI can computationally generate a response that appears to be accurate but is groundless and not based on facts.Lance Eliot, Forbes, 1 Nov. 2024
Adjective
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Lutnick repeated several unsubstantiated claims in the interview with Collins, including that the government is withholding data about vaccines, that vaccines are linked to a rise in autism diagnoses and that scientists were paid to say Kennedy is lying about vaccines.Sarah Fortinsky, The Hill, 31 Oct. 2024
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And despite not being a swing state, the issue has thrust Virginia into the national spotlight as Republicans seize on the unsubstantiated claims that non-citizen voting will influence election outcomes in Vice President Harris' favor.Sabrina Moreno, Axios, 30 Oct. 2024
Thesaurus Entries Near unfounded
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 23 Nov. 2024.
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