as in unreasonable
having no basis in reason or fact
a careful investigation proved that the charges were foundationless
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Recent Examples of foundationless
Buying a foundationless house is not the only real-estate mistake Handler has made.
—
Kim Velsey, Curbed, 11 Mar. 2026
Kim Velsey, Curbed, 11 Mar. 2026
Recent Examples of Synonyms for foundationless
Adjective
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Sterling failed to live up to unreasonable expectations created by his huge contract, which quickly became a millstone.—
Liam Twomey,
New York Times,
15 May 2026
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The construction strikes many locals as both unreasonable and unstoppable.—
Rachel Monroe,
New Yorker,
14 May 2026
Adjective
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Becerra said his rivals were making baseless claims because of his frontrunner status.—
Ben Paviour,
Sacbee.com,
15 May 2026
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Musk’s legal team accused Altman, OpenAI, and its president, Greg Brockman, of betraying the company’s founding mission, and OpenAI argued that Musk’s claims are baseless and aimed at gaining control over the company.—
David A. Graham,
The Atlantic,
14 May 2026
Adjective
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In a statement to this news organization, the sheriff’s office said that probe concluded that the latter claims were unfounded.—
Robert Salonga,
Mercury News,
18 May 2026
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The other two calls were canceled shortly after crews arrived or were determined to be unfounded.—
Kansas City Star,
Kansas City Star,
18 May 2026
Cite this Entry
“Foundationless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foundationless. Accessed 21 May. 2026.
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