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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The Stars may be moving from Dallas to Plano, but under no reasonable, or unreasonable, scenario will this move lead to their departure from Texas.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
11 June 2026
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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
Adjective
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Those concerns and complaints have proven to be wildly unfounded.—
Ian Miller OutKick,
FOXNews.com,
15 June 2026
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The bill also allows for communication between the state’s health department and IDFPR involving patient abuse allegations, even those a hospital determines are unfounded.—
Emily Hoerner,
Chicago Tribune,
12 June 2026
Adjective
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White House officials called those allegations baseless and asked a judge to dismiss the lawsuit.—
Los Angeles Times,
Los Angeles Times,
11 June 2026
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White House officials have dismissed the suit as baseless.—
Nik Popli,
Time,
11 June 2026
Cite this Entry
“Groundless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/groundless. Accessed 21 Jun. 2026.
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