as in unreasonable
having no basis in reason or fact
baseless rumors that the baseball player was using steroids
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for baseless
Adjective
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In making arrests, the federal government allegedly went against both immigration laws and the Fourth Amendment, which protects people from unreasonable searches and seizures by the government, the plaintiffs argue.—
Laura Rodríguez Presa,
Chicago Tribune,
14 July 2025 -
Medical device safety alert: issued in situations where a medical device may present an unreasonable risk of substantial harm.—
Marley Malenfant,
Austin American Statesman,
3 July 2025
Adjective
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The findings show a growing generational divide in workplace confidence, and these fears are not necessarily unfounded.—
Aliss Higham,
MSNBC Newsweek,
6 July 2025
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But any concerns that a lack of American support now will carry over to next year’s FIFA World Cup – in which the U.S. will play its group games in Southern California and Seattle – are probably unfounded.—
Ian Nicholas Quillen,
Forbes.com,
5 July 2025
Adjective
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Putin talks with Iranian foreign minister Russian President Vladimir Putin on Monday told Iranian Foreign Minister Abbas Araqchi in Moscow that aggression against Iran was groundless.—
Susan Miller,
USA Today,
24 June 2025
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The site has a history of promoting groundless conspiracy theories.—
Tom Dreisbach,
NPR,
20 Feb. 2025
Adjective
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The 64-year-old MAGA loyalist has consistently promoted unsubstantiated claims about the 2020 presidential election being rigged against President Trump.—
Brian Niemietz,
New York Daily News,
8 July 2025
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Social media was running wild with videos and photos of Carrington’s fingers hitting Clark in the eye, with unsubstantiated claims and insinuations that Carrington had tried to injure Clark.—
Christine Brennan,
CNN Money,
6 July 2025
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Cite this Entry
“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 19 Jul. 2025.
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