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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Indeed, because deportation is not considered a criminal matter, the constitutional provisions protecting those accused and convicted of crimes do not apply, including prohibiting unreasonable searches and seizures, providing a lawyer and requiring a jury trial.—
Erwin Chemerinsky,
Twin Cities,
8 Apr. 2026
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That has prompted constitutional concerns around the Fourth Amendment, which prevents unreasonable search and seizure.—
Lisa Hagen,
Hartford Courant,
7 Apr. 2026
Adjective
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So the appeal isn’t totally baseless.—
Allison Palmer,
Kansas City Star,
7 Apr. 2026
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In a court filing in October 2025, the defendants called the suit baseless.—
Encyclopedia Britannica,
Encyclopedia Britannica,
7 Apr. 2026
Adjective
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Nonetheless, nasty rumors circulated for a time — most casting unfounded suspicions on Jordan’s family, for little reason beyond their being Indigenous people.—
Dennis Harvey,
Variety,
11 Apr. 2026
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Local election officials told the county Board of Supervisors that the complaint was unfounded.—
ABC News,
ABC News,
8 Apr. 2026
Cite this Entry
“Foundationless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foundationless. Accessed 19 Apr. 2026.
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