as in unreasonable
having no basis in reason or fact
please stop making groundless accusations against innocent people fears of a strike proved groundless
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Example Sentences
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Recent Examples of groundless
Putin talks with Iranian foreign minister Russian President Vladimir Putin on Monday told Iranian Foreign Minister Abbas Araqchi in Moscow that aggression against Iran was groundless.
—
Susan Miller, USA Today, 24 June 2025
On Thursday, Gottlieb and Hudson blasted the lawsuit as legally groundless and an effort to silence the actress.
—Daniel S. Levine, People.com, 21 Mar. 2025
The site has a history of promoting groundless conspiracy theories.
—Tom Dreisbach, NPR, 20 Feb. 2025
The rider who smashed his phone insisted in an interview with Chinese state media that the complaint lodged against him was groundless.
—Chris Lau, CNN, 17 Oct. 2024
See All Example Sentences for groundless
Susan Miller, USA Today, 24 June 2025
On Thursday, Gottlieb and Hudson blasted the lawsuit as legally groundless and an effort to silence the actress.
—Daniel S. Levine, People.com, 21 Mar. 2025
The site has a history of promoting groundless conspiracy theories.
—Tom Dreisbach, NPR, 20 Feb. 2025
The rider who smashed his phone insisted in an interview with Chinese state media that the complaint lodged against him was groundless.
—Chris Lau, CNN, 17 Oct. 2024
See All Example Sentences for groundless
Recent Examples of Synonyms for groundless
Adjective
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Importantly, the president already has full legal authority to impose tariffs when other nations’ behavior places an unreasonable burden on our economy, including through environmental negligence.—
Chip Lamarca,
Sun Sentinel,
6 Jan. 2026
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The logic was that Spirit had projected the league would grow at a rate that the league itself found unreasonable, and so would not be able to field a team while also paying Rodman.—
Louisa Thomas,
New Yorker,
4 Jan. 2026
Adjective
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The start of the trial in Paris comes three months after Brigitte and her husband sued right-wing American podcaster Candace Owens for making similar unfounded allegations about Brigitte's gender on a public platform.—
Rachel Raposas,
PEOPLE,
29 Oct. 2025
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The Lone Star State is no stranger to conspiracy theories – from baseless claims that cloud seeding caused deadly floods last July to unfounded fears that a routine military training exercise in 2015 was a secret plot to impose martial law in Texas and confiscate firearms.—
Dalia Faheid,
CNN Money,
27 Oct. 2025
Adjective
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The papers were studying strokes in animals, and researchers not only found duplicate images but also a lack of follow-up research, another red flag pointing to baseless findings.—
Tom Chivers,
semafor.com,
7 Nov. 2025
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The Lone Star State is no stranger to conspiracy theories – from baseless claims that cloud seeding caused deadly floods last July to unfounded fears that a routine military training exercise in 2015 was a secret plot to impose martial law in Texas and confiscate firearms.—
Dalia Faheid,
CNN Money,
27 Oct. 2025
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 8 Jan. 2026.
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