baseless

adjective

Definition of baselessnext
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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of baseless According to the popular—and scientifically baseless—myth, daddy longlegs spiders are among the most venomous spiders, but their fangs are too short to bite humans. — Melissa Petruzzello, Encyclopedia Britannica, 2 Sep. 2026 Towers said that concerns about consent and explanation of risk are baseless. — Amy Yurkanin, ProPublica, 24 Aug. 2026 And Democratic aides in Washington are preparing members of Congress to push back in the court of public opinion against any baseless claims of voter fraud in competitive districts. — Kevin Rector, Los Angeles Times, 23 Aug. 2026 On the one hand, concerns about AI use in higher education are not baseless. — Christopher Rim, Forbes.com, 21 Aug. 2026 Judge Lebovits ruled in favor with the Times according to New York State’s Anti-SLAPP law, which protects against baseless legal proceedings stemming from attempts to stifle the press or free speech. — Fran Hoepfner, Vulture, 28 July 2026 Trump’s narrow loss in Arizona in 2020 and his subsequent — and baseless — insistence that fraud accounted for the defeat has fueled an election denialism that Arizona voters have rarely rewarded. — Arizona Republic, AZCentral.com, 21 July 2026 In an address from the White House tonight, the president sought to reveal proof for his baseless assertions of a 2020 vote marred by fraud. — Michael Scherer, The Atlantic, 17 July 2026 These charges were so baseless that the Cook County State’s Attorney declined to prosecute me and expunged my name and the charge from the record. — Literary Hub, 14 July 2026
Recent Examples of Synonyms for baseless
  1. unreasonable
  2. unfounded
  3. groundless
  4. unsubstantiated
Adjective
  • Your expectations of your stepsons aren’t unreasonable at all.
    — R. Eric Thomas, Mercury News, 27 Aug. 2026
  • If the prosecution’s version of the evidence is reasonable and the defense’s is unreasonable, then that is not reasonable doubt.
    — Christine Pelisek, PEOPLE, 25 Aug. 2026
Definition of unreasonable
Adjective
  • Yet her decision to spread unfounded theories of conspiracy fraud helped to land Fox in court.
    — David Folkenflik, NPR, 3 Sep. 2026
  • Garza wrote in her complaint that the accusations were unfounded and claimed that LeVota refused to show her the email.
    — Ben Wheeler, Kansas City Star, 2 Sep. 2026
Definition of unfounded
Adjective
  • Social media in South Korea have been filled with messages stoking fears about safety on Jeju, with some spreading groundless rumors and deriding the island.
    — Hyung-Jin Kim, Los Angeles Times, 27 Aug. 2026
  • For Rocha, however, the claims examined in the documentary are groundless — and tiring.
    — Johnny Dodd, PEOPLE, 15 July 2026
Definition of groundless
Adjective
  • Many are leaning into their own unsubstantiated suppositions, even those not backed by evidence.
    — Rebekah Riess, CNN Money, 22 Aug. 2026
  • While unsubstantiated claims and speculation circulate online about what led to the killings, Elikann emphasized the importance of following official facts over social media speculation.
    — Kelsie Cairns, FOXNews.com, 15 Aug. 2026
Definition of unsubstantiated

Browse Nearby Words

based
baseless
baseline
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Cite this Entry

“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 4 Sep. 2026.

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