as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Recent Examples of unfounded
Despite recent unfounded claims, there's no clear evidence linking prudent use to issues with fetal development.
—
Beth Mole, ArsTechnica, 22 Sep. 2025
Ultimately, the calls were unfounded.
—Alisha Ebrahimji, CNN Money, 21 Sep. 2025
Many of the risks were speculative or already known to be unfounded.
—Will Stone, NPR, 19 Sep. 2025
In the aftermath of Charlie Kirk’s assassination, some critics of Israel have sought to drive a wedge between the conservative activist and the Jewish state, mischaracterizing his recent statements and making wild, unfounded accusations.
—Amelie Botbol, FOXNews.com, 18 Sep. 2025
See All Example Sentences for unfounded
Beth Mole, ArsTechnica, 22 Sep. 2025
Ultimately, the calls were unfounded.
—Alisha Ebrahimji, CNN Money, 21 Sep. 2025
Many of the risks were speculative or already known to be unfounded.
—Will Stone, NPR, 19 Sep. 2025
In the aftermath of Charlie Kirk’s assassination, some critics of Israel have sought to drive a wedge between the conservative activist and the Jewish state, mischaracterizing his recent statements and making wild, unfounded accusations.
—Amelie Botbol, FOXNews.com, 18 Sep. 2025
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
Adjective
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The influencer, who was in her 20s and had garnered over 300,000 followers on TikTok, allegedly wanted to cut ties with Choi due to his coercive instructions and unreasonable scheduling, according to the reports.—
Latoya Gayle,
PEOPLE,
6 Oct. 2025
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As Philadelphia gears up for hopefully a return to the playoffs in 2025-26 (although title expectations would be probably an unreasonable expectation now), the team is not being particularly precious with its previous rotational thoughts.—
Alex Kirschenbaum,
MSNBC Newsweek,
6 Oct. 2025
Adjective
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Unfortunately, none of these concerns are baseless.—
Edward Lotterman,
Twin Cities,
21 Sep. 2025
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Open Society Foundations has openly contested that these allegations are baseless.—
Kaelan Deese,
The Washington Examiner,
18 Sep. 2025
Adjective
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The most extreme version of this debate over Kirk’s views on Israel emerged with shocking velocity after his death, in the form of groundless claims that he’d been killed by the Israelis.—
Ben Smith,
semafor.com,
15 Sep. 2025
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These radically groundless and unfounded allegations end now.—
Lea Veloso,
StyleCaster,
11 Sep. 2025
Adjective
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Russia’s unsubstantiated claims that NATO is plotting armed provocations against Transnistria could be a pretext for Moscow’s meddling in Moldova, raising concerns about further military aggression in the region.—
Brendan Cole,
MSNBC Newsweek,
25 Sep. 2025
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Their reporting is full of unsubstantiated claims and clearly aims at destroying the agency which, at its heart, has provi[ded] education and health care in place where no one else actually wants to work with a group of people that is one of the most vulnerable in the region.—
Benjamin Weinthal,
FOXNews.com,
19 Sep. 2025
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 9 Oct. 2025.
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