foundationless

adjective

Definition of foundationlessnext
as in unreasonable
having no basis in reason or fact a careful investigation proved that the charges were foundationless

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 foundationless Buying a foundationless house is not the only real-estate mistake Handler has made. — Kim Velsey, Curbed, 11 Mar. 2026
Recent Examples of Synonyms for foundationless
  1. unreasonable
  2. baseless
  3. unfounded
  4. groundless
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
  • 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
Definition of baseless
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

Browse Nearby Words

foundation
foundationless
foundations
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Cite this Entry

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

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