as in unreasonable
having no basis in reason or fact
baseless rumors that the baseball player was using steroids
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Recent Examples of baseless
Becerra said his rivals were making baseless claims because of his frontrunner status.
—
Ben Paviour, Sacbee.com, 15 May 2026
Musk’s legal team accused Altman, OpenAI, and its president, Greg Brockman, of betraying the company’s founding mission, and OpenAI argued that Musk’s claims are baseless and aimed at gaining control over the company.
—David A. Graham, The Atlantic, 14 May 2026
Bianco also faces scrutiny for seizing more than 650,000 election ballots in what critics call a baseless fraud investigation.
—Hailey Wang, Los Angeles Times, 9 May 2026
In a new legal filing, obtained by Fox News Digital, Lively's legal team argued that Baldoni's dismissed $400 million defamation case was not only baseless but retaliatory.
—Lauryn Overhultz, FOXNews.com, 7 May 2026
Benito himself hasn’t confirmed anything, so these fan theories could pan out — or be totally baseless.
—Maya Georgi, Rolling Stone, 6 May 2026
ExxonMobil officials said when Ellison sued in 2020 that the action was baseless.
—Todd Richmond, Twin Cities, 4 May 2026
The pet claims — which amplified a baseless online rumour — led to the speech being sampled in songs that received millions of views.
—Adam Leventhal, New York Times, 28 Apr. 2026
Jackson’s attorney says those are baseless claims.
—Julia Coin, Charlotte Observer, 27 Apr. 2026
Ben Paviour, Sacbee.com, 15 May 2026
Musk’s legal team accused Altman, OpenAI, and its president, Greg Brockman, of betraying the company’s founding mission, and OpenAI argued that Musk’s claims are baseless and aimed at gaining control over the company.
—David A. Graham, The Atlantic, 14 May 2026
Bianco also faces scrutiny for seizing more than 650,000 election ballots in what critics call a baseless fraud investigation.
—Hailey Wang, Los Angeles Times, 9 May 2026
In a new legal filing, obtained by Fox News Digital, Lively's legal team argued that Baldoni's dismissed $400 million defamation case was not only baseless but retaliatory.
—Lauryn Overhultz, FOXNews.com, 7 May 2026
Benito himself hasn’t confirmed anything, so these fan theories could pan out — or be totally baseless.
—Maya Georgi, Rolling Stone, 6 May 2026
ExxonMobil officials said when Ellison sued in 2020 that the action was baseless.
—Todd Richmond, Twin Cities, 4 May 2026
The pet claims — which amplified a baseless online rumour — led to the speech being sampled in songs that received millions of views.
—Adam Leventhal, New York Times, 28 Apr. 2026
Jackson’s attorney says those are baseless claims.
—Julia Coin, Charlotte Observer, 27 Apr. 2026
Recent Examples of Synonyms for baseless
Adjective
-
Sterling failed to live up to unreasonable expectations created by his huge contract, which quickly became a millstone.—
Liam Twomey,
New York Times,
15 May 2026
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The construction strikes many locals as both unreasonable and unstoppable.—
Rachel Monroe,
New Yorker,
14 May 2026
Adjective
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In a statement to this news organization, the sheriff’s office said that probe concluded that the latter claims were unfounded.—
Robert Salonga,
Mercury News,
18 May 2026
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The other two calls were canceled shortly after crews arrived or were determined to be unfounded.—
Kansas City Star,
Kansas City Star,
18 May 2026
Adjective
-
China says such allegations are groundless.—
Chan Ho-Him,
Fortune,
6 May 2026
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The former proved ultimately groundless while the latter came to pass, but not until the market was glutted.—
Michael Lynch,
Forbes.com,
2 Mar. 2026
Adjective
-
Chang’s unsubstantiated speculation that Doremus might have been texting coworkers on her way to work was insufficient.—
Dan Eaton,
San Diego Union-Tribune,
18 May 2026
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Its meetings at times became chaotic venues for casting doubt and airing unsubstantiated claims, often unchallenged, on the safety and efficacy of vaccines.—
Jesse L. Goodman,
STAT,
18 May 2026
Cite this Entry
“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 21 May. 2026.
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