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
The baseless claims against Dominion caused one of its executives to go into hiding in 2020, and led to numerous defamation lawsuits.
—
Npr Washington Desk, NPR, 9 Oct. 2025
That means millions of young people remain vulnerable to a practice the nation’s leading experts have long rejected as both harmful and scientifically baseless.
—Timothy Schraeder Rodriguez, Time, 8 Oct. 2025
On Sunday, Hamas leader Mahmoud Mardawi denied as baseless reports in Arab media that the group had agreed to lay down its weapons.
—Alexander Smith, NBC news, 6 Oct. 2025
Unfortunately, none of these concerns are baseless.
—Edward Lotterman, Twin Cities, 21 Sep. 2025
Open Society Foundations has openly contested that these allegations are baseless.
—Kaelan Deese, The Washington Examiner, 18 Sep. 2025
The Anti-Defamation League’s Center on Extremism found thousands of posts containing the baseless claims.
—Amelie Botbol, FOXNews.com, 18 Sep. 2025
Those baseless allegations went so viral so fast that Prime Minister Benjamin Netanyahu was on Newsmax responding to them two days after the shooting.
—Ben Smith, semafor.com, 15 Sep. 2025
Schiff has said the mortgage investigation, sparked by a criminal referral from the Federal Housing Finance Authority, is baseless.
—Rebecca Beitsch, The Hill, 6 Sep. 2025
Npr Washington Desk, NPR, 9 Oct. 2025
That means millions of young people remain vulnerable to a practice the nation’s leading experts have long rejected as both harmful and scientifically baseless.
—Timothy Schraeder Rodriguez, Time, 8 Oct. 2025
On Sunday, Hamas leader Mahmoud Mardawi denied as baseless reports in Arab media that the group had agreed to lay down its weapons.
—Alexander Smith, NBC news, 6 Oct. 2025
Unfortunately, none of these concerns are baseless.
—Edward Lotterman, Twin Cities, 21 Sep. 2025
Open Society Foundations has openly contested that these allegations are baseless.
—Kaelan Deese, The Washington Examiner, 18 Sep. 2025
The Anti-Defamation League’s Center on Extremism found thousands of posts containing the baseless claims.
—Amelie Botbol, FOXNews.com, 18 Sep. 2025
Those baseless allegations went so viral so fast that Prime Minister Benjamin Netanyahu was on Newsmax responding to them two days after the shooting.
—Ben Smith, semafor.com, 15 Sep. 2025
Schiff has said the mortgage investigation, sparked by a criminal referral from the Federal Housing Finance Authority, is baseless.
—Rebecca Beitsch, The Hill, 6 Sep. 2025
Recent Examples of Synonyms for baseless
Adjective
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Many of our technologies are built on the not-unreasonable assumption that openness is good, and that more common knowledge is better.—
Joshua Rothman,
New Yorker,
14 Oct. 2025
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Each side of the issue argues that the other is unreasonable and operating in bad faith.—
Taylor Seely,
AZCentral.com,
9 Oct. 2025
Adjective
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Still, the Epstein saga might have gradually faded from the national consciousness, even in spite of the widespread, unfounded belief that his 2019 suicide in a jail cell while awaiting trial was in fact a murder carried out to prevent him from implicating associates in his crimes.—
Miles Klee,
Rolling Stone,
16 Oct. 2025
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The bull’s sheer size and the location of the hunt spawned unfounded rumors that Brooks had committed game violations.—
Natalie Krebs,
Outdoor Life,
15 Oct. 2025
Adjective
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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
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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
Adjective
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Musk himself has been known to repost unsubstantiated claims, boosting them to his hundreds of millions of followers.—
Hadas Gold,
CNN Money,
7 Oct. 2025
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Russia’s unsubstantiated claims that NATO is plotting armed provocations against Transnistria could be a pretext for Moscow’s meddling in Moldova, raising concerns about further military aggression in the region.—
Brendan Cole,
MSNBC Newsweek,
25 Sep. 2025
Cite this Entry
“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 18 Oct. 2025.
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