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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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 bill was first introduced last year as Republicans focused on noncitizen voting
Ahead of the 2024 election, Trump and his allies repeated the groundless claim that Democrats planned to cheat by encouraging noncitizens to illegally vote.
—Jude Joffe-Block, NPR, 12 Mar. 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 bill was first introduced last year as Republicans focused on noncitizen voting
Ahead of the 2024 election, Trump and his allies repeated the groundless claim that Democrats planned to cheat by encouraging noncitizens to illegally vote.
—Jude Joffe-Block, NPR, 12 Mar. 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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The Justice Department in its June 2024 report on problems with policing in Phoenix found that police delayed medical assistance to people who appeared to be incapacitated as a result of the use of force by officers and used unreasonable force on people who had already been wounded by officers.—
Elena Santa Cruz,
AZCentral.com,
3 Sep. 2025
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Investors had initially feared that ASDA’s undercuts would lead to market leaders Tesco and Sainsbury’s having to lower prices to an unreasonable point in order to maintain their market shares.—
John Choong,
Forbes.com,
1 Sep. 2025
Adjective
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The letter follows the ouster of CDC director Susan Monarez just one month into her tenure after a disagreement over vaccine policy with Kennedy, a vaccine skeptic who has promoted a controversial and unfounded theory that links vaccines to autism.—
Swapna Venugopal Ramaswamy,
USA Today,
4 Sep. 2025
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Brazil’s top electoral court has already banned Bolsonaro from running in elections until 2030 over abuse of power while in office and casting unfounded doubts on the country’s electronic voting system.—
CNN Money,
CNN Money,
2 Sep. 2025
Adjective
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Stephen King recently spoke to The Times UK and criticized Hollywood’s superhero movies for often depicting baseless violence.—
Zack Sharf,
Variety,
4 Sep. 2025
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In response to questions from The Tennessean, a Google spokesperson said the accusations are baseless and mischaracterize Google’s security functions.—
Angele Latham,
The Tennessean,
30 Aug. 2025
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 9 Sep. 2025.
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