as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Recent Examples of unfounded
Those concerns and complaints have proven to be wildly unfounded.
—
Ian Miller Outkick, FOXNews.com, 15 June 2026
The bill also allows for communication between the state’s health department and IDFPR involving patient abuse allegations, even those a hospital determines are unfounded.
—Emily Hoerner, Chicago Tribune, 12 June 2026
Hilton on Tuesday addressed the president’s unfounded but vociferous claims that Democrats have massively cheated in our recent election.
—Los Angeles Times, 11 June 2026
His fear that the Ross miss might prove to be a bad omen was unfounded.
—Jack Lang, New York Times, 9 June 2026
See All Example Sentences for unfounded
Ian Miller Outkick, FOXNews.com, 15 June 2026
The bill also allows for communication between the state’s health department and IDFPR involving patient abuse allegations, even those a hospital determines are unfounded.
—Emily Hoerner, Chicago Tribune, 12 June 2026
Hilton on Tuesday addressed the president’s unfounded but vociferous claims that Democrats have massively cheated in our recent election.
—Los Angeles Times, 11 June 2026
His fear that the Ross miss might prove to be a bad omen was unfounded.
—Jack Lang, New York Times, 9 June 2026
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
Adjective
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Those fears are not unreasonable, either, given the ability of AI to do so many things so well.—
John Werner,
Forbes.com,
18 June 2026
-
Horn’s assessment wasn’t unreasonable; it was based on recent statements by Greenlandic politicians.—
Ben Taub,
New Yorker,
15 June 2026
Adjective
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On the evening of June 2, his baseless case was further undercut when Republican Steve Hilton won the second spot on November’s ballot for governor, up against Democrat Xavier Becerra.—
Jackie Calmes,
Mercury News,
19 June 2026
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Skepticism of elections flared up recently in California after Trump made a baseless claim that Democrats were cheating to defeat a Republican candidate for governor and another for Los Angeles mayor.—
Jesse Bedayn,
Chicago Tribune,
16 June 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
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China says such allegations are groundless.—
Chan Ho-Him,
Fortune,
6 May 2026
Adjective
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On Facebook, TikTok and Instagram, unsubstantiated claims often go unchecked.—
Duaa Eldeib,
ProPublica,
12 June 2026
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The resolution’s author, Assemblymember Marc Berman, D-Menlo Park, also connected it to a string of unsubstantiated accusations Trump has made in the last week about California ballot counting.—
Stephen Hobbs,
Sacbee.com,
10 June 2026
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 24 Jun. 2026.
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