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
Secretary Kennedy’s team seeks to make autism compensable under vaccine-injury rules, turning diagnoses into groundless lawsuits while draining resources from real causes and care.
—
Tom Frieden, Scientific American, 21 Nov. 2025
Earlier this week, Sulton said the new criminal case is groundless and accused prosecutors of bringing additional charges because Spencer rejected a plea deal on the first case.
—Vanessa Swales, jsonline.com, 17 Oct. 2025
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
Datebook Picks Asked about the incident, Rojo firmly denied that there had been anything improper, and pointed out that the allegations were investigated by both the company’s board and the Arts Council and found to be groundless.
—Joshua Kosman, San Francisco Chronicle, 11 Jan. 2022
See All Example Sentences for groundless
Tom Frieden, Scientific American, 21 Nov. 2025
Earlier this week, Sulton said the new criminal case is groundless and accused prosecutors of bringing additional charges because Spencer rejected a plea deal on the first case.
—Vanessa Swales, jsonline.com, 17 Oct. 2025
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
Datebook Picks Asked about the incident, Rojo firmly denied that there had been anything improper, and pointed out that the allegations were investigated by both the company’s board and the Arts Council and found to be groundless.
—Joshua Kosman, San Francisco Chronicle, 11 Jan. 2022
See All Example Sentences for groundless
Recent Examples of Synonyms for groundless
Adjective
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However, investing in public institutions and infrastructure is a costly endeavor that can seem unreasonable when local officials are struggling to balance budgets without increasing tax burdens.—
Aneri Pattani,
USA Today,
6 June 2026
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Nineteen recent clinical trials on kratom leaf document no evidence of severe addiction or significant or unreasonable adverse effects.—
Tara Molina,
CBS News,
1 June 2026
Adjective
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Judge Nelson’s concerns are unfounded, as Kalshi and its confederates—Robinhood, Coinbase, and the CFTC—are not relying solely on the 2010 Dodd-Frank Act update to substantiate their claim that the CEA empowers the CFTC to regulate betting on the outcomes of sporting events.—
Daniel Wallach,
Forbes.com,
1 June 2026
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Sacramento County sheriff’s deputies on Friday searched a medical building in Carmichael after receiving what turned about to be unfounded reports of an intruder.—
Rosalio Ahumada,
Sacbee.com,
29 May 2026
Adjective
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This is nothing more than a baseless complaint meant to distract from the Department's mission of keeping dangerous criminals behind bars, despite attempts by activist judges who place politics above public safety.—
Laura Romero,
ABC News,
27 May 2026
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Their accounts, including confrontations with far-right security minister Itamar Ben-Gvir, have drawn international condemnation and diplomatic protests; Israeli prison officials dismiss the allegations as baseless as hundreds of activists are deported.—
Los Angeles Times,
Los Angeles Times,
22 May 2026
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 8 Jun. 2026.
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