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
Some of the unsubstantiated claims against ICE are far-fetched, such as a viral TikTok video claiming that the Trump administration is tossing deportees out of planes and into the open ocean.
—
Mia Cathell, The Washington Examiner, 28 July 2025
Rivera-Wagner said the bill was also a response to litigation against the City of Green Bay and its officials over unsubstantiated allegations related to the 2020 election.
—Francesca Pica, jsonline.com, 24 July 2025
Then, like now, there were unsubstantiated rumors that gold had been improperly removed from the depository.
—Josh Wood, The Courier-Journal, 3 July 2025
City officials said the district's stipend of about $2.8 million for EMS calls was unsubstantiated and did not put the creation of ESD No. 17 on the ballot.
—Mason Rouser, Austin American Statesman, 2 July 2025
See All Example Sentences for unsubstantiated
Mia Cathell, The Washington Examiner, 28 July 2025
Rivera-Wagner said the bill was also a response to litigation against the City of Green Bay and its officials over unsubstantiated allegations related to the 2020 election.
—Francesca Pica, jsonline.com, 24 July 2025
Then, like now, there were unsubstantiated rumors that gold had been improperly removed from the depository.
—Josh Wood, The Courier-Journal, 3 July 2025
City officials said the district's stipend of about $2.8 million for EMS calls was unsubstantiated and did not put the creation of ESD No. 17 on the ballot.
—Mason Rouser, Austin American Statesman, 2 July 2025
See All Example Sentences for unsubstantiated
Recent Examples of Synonyms for unsubstantiated
Adjective
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There are ways to encourage tenants to be good neighbors without being unreasonable or punitive.—
Kelly G. Richardson,
San Diego Union-Tribune,
19 Aug. 2025
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As always, some people will argue that demanding more is unreasonable, that Palace are already punching above their weight.—
Matt Woosnam,
New York Times,
19 Aug. 2025
Adjective
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History shows that fears of large-scale job displacement from offshoring were unfounded.—
Anjana Susarla,
Forbes.com,
11 Aug. 2025
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The hype around the off-label use of the immunosuppressant rapamycin to prevent aging and increase longevity could be unfounded.—
Hannah Millington,
MSNBC Newsweek,
8 Aug. 2025
Adjective
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While citywide data indicates crime throughout Cincinnati has remained on par with last year’s numbers, Bowman echoed the sentiments of the police department, blaming the city’s leadership for the reason police feel unsupported while carrying out their duties.—
Julia Bonavita,
FOXNews.com,
11 Aug. 2025
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When lateral career moves are overlooked or unsupported, companies don’t just stall talent.—
Vibhas Ratanjee,
Forbes.com,
8 Aug. 2025
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiated. Accessed 23 Aug. 2025.
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