as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Example Sentences
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Recent Examples of unfounded
Authorities later determined the threat to be unfounded.
—
Claire Carter, The Washington Examiner, 28 May 2026
Toxic fandom is real, and social media will run with the most unfounded rumor when fans love (or hate) the trajectory of a show’s central character.
—Clayton Davis, Variety, 27 May 2026
South African Foreign Ministry spokesperson Chrispin Phiri said accusations of systemic persecution of Afrikaners were unfounded and that some beneficiaries of the refugee program have chosen to return to South Africa.
—Michelle Gumede, Los Angeles Times, 27 May 2026
Surely Marilyn regarding herself as a joke and not good enough is not remotely unfounded.
—Literary Hub, 26 May 2026
See All Example Sentences for unfounded
Claire Carter, The Washington Examiner, 28 May 2026
Toxic fandom is real, and social media will run with the most unfounded rumor when fans love (or hate) the trajectory of a show’s central character.
—Clayton Davis, Variety, 27 May 2026
South African Foreign Ministry spokesperson Chrispin Phiri said accusations of systemic persecution of Afrikaners were unfounded and that some beneficiaries of the refugee program have chosen to return to South Africa.
—Michelle Gumede, Los Angeles Times, 27 May 2026
Surely Marilyn regarding herself as a joke and not good enough is not remotely unfounded.
—Literary Hub, 26 May 2026
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
Adjective
-
Last year’s conference-final loss to the Florida Panthers — an ugly result for an overmatched roster that had spent the regular season outkicking its coverage, maximizing its performance and raising expectations to an unreasonable level — is on that ledger, too.—
Sean Gentille,
New York Times,
28 May 2026
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That lingering inventory, which has drawn criticism from fans who believe the list prices are unreasonable, is a principal feature of the governing body’s ticket pricing strategy.—
Sara Germano,
Sportico.com,
28 May 2026
Adjective
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This is nothing more than a baseless complaint meant to distract from the Department's mission of keeping dangerous criminals behind bars, despite attempts by activist judges who place politics above public safety.—
Laura Romero,
ABC News,
27 May 2026
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Their accounts, including confrontations with far-right security minister Itamar Ben-Gvir, have drawn international condemnation and diplomatic protests; Israeli prison officials dismiss the allegations as baseless as hundreds of activists are deported.—
Los Angeles Times,
Los Angeles Times,
22 May 2026
Adjective
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But too often groundless complaints are filed concerning behavior that was an unremarkable part of growing up just a generation ago.—
Editorial,
Boston Herald,
21 May 2026
-
China says such allegations are groundless.—
Chan Ho-Him,
Fortune,
6 May 2026
Adjective
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Chang’s unsubstantiated speculation that Doremus might have been texting coworkers on her way to work was insufficient.—
Dan Eaton,
San Diego Union-Tribune,
18 May 2026
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Its meetings at times became chaotic venues for casting doubt and airing unsubstantiated claims, often unchallenged, on the safety and efficacy of vaccines.—
Jesse L. Goodman,
STAT,
18 May 2026
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 2 Jun. 2026.
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