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
State officials and elections experts reject the allegations as baseless, pointing to California’s generous mail voting rules, laborious signature checks and a predictable ‘red mirage’ that initially favors Republicans.
—
Kevin Rector, Los Angeles Times, 4 June 2026
Cook rejected the charges as baseless, calling them politically motivated.
—Max Zahn, ABC News, 1 June 2026
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
Becerra said his rivals were making baseless claims because of his frontrunner status.
—Ben Paviour, Sacbee.com, 15 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
OpenAI’s lawyers argue that Musk’s suit is baseless, and motivated by a competitive desire to stifle OpenAI’s position in the AI race.
—Billy Perrigo, Time, 28 Apr. 2026
Kevin Rector, Los Angeles Times, 4 June 2026
Cook rejected the charges as baseless, calling them politically motivated.
—Max Zahn, ABC News, 1 June 2026
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
Becerra said his rivals were making baseless claims because of his frontrunner status.
—Ben Paviour, Sacbee.com, 15 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
OpenAI’s lawyers argue that Musk’s suit is baseless, and motivated by a competitive desire to stifle OpenAI’s position in the AI race.
—Billy Perrigo, Time, 28 Apr. 2026
Recent Examples of Synonyms for baseless
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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Many Peruvians accuse her of being a bad loser, who for months refused to acknowledge her loss in 2016 and then made unfounded accusations of electoral fraud in 2021.—
Simeon Tegel,
NPR,
6 June 2026
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That is huge considering how badly cyber stocks had sold off earlier in the year on what Jim Cramer said all along were unfounded disruption concerns.—
Morgan Chittum,
CNBC,
6 June 2026
Adjective
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But too often groundless complaints are filed concerning behavior that was an unremarkable part of growing up just a generation ago.—
Editorial,
Boston Herald,
21 May 2026
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China says such allegations are groundless.—
Chan Ho-Him,
Fortune,
6 May 2026
Adjective
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Last month, Newsom sent an open letter to county election officials, urging them to speed up the counting process to fight off unsubstantiated conspiracy theories about election security.—
Kathryn Watson,
CBS News,
8 June 2026
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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
Cite this Entry
“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 12 Jun. 2026.
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