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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Last year’s conference-final loss to the Florida Panthers — an ugly result for an overmatched roster that had spent the regular season outkicking its coverage, maximizing its performance and raising expectations to an unreasonable level — is on that ledger, too.—
Sean Gentille,
New York Times,
28 May 2026
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That lingering inventory, which has drawn criticism from fans who believe the list prices are unreasonable, is a principal feature of the governing body’s ticket pricing strategy.—
Sara Germano,
Sportico.com,
28 May 2026
Adjective
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Surely Marilyn regarding herself as a joke and not good enough is not remotely unfounded.—
Literary Hub,
Literary Hub,
26 May 2026
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However, Pratt targeted Larry, sweeping him into unfounded controversy, adding substantially to other interpersonal and financial stresses, Vein said.—
Ted Johnson,
Deadline,
24 May 2026
Adjective
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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
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In the second term, the Justice Department no longer sets itself at a polite distance from the baseless allegations shared by the president in his late-night Truth Social posts.—
Quinta Jurecic,
The Atlantic,
21 May 2026
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 31 May. 2026.
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