unfounded

adjective

un·​found·​ed ˌən-ˈfau̇n-dəd How to pronounce unfounded (audio)
Synonyms of unfoundednext
: lacking a sound basis : groundless, unwarranted
an unfounded accusation

Examples of unfounded in a Sentence

the accusation proved to be unfounded
Recent Examples on the Web
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.
Surely Marilyn regarding herself as a joke and not good enough is not remotely unfounded. Literary Hub, 26 May 2026 However, Pratt targeted Larry, sweeping him into unfounded controversy, adding substantially to other interpersonal and financial stresses, Vein said. Ted Johnson, Deadline, 24 May 2026 Those concerns turned out to be unfounded. Jordi Lippe-McGraw, Condé Nast Traveler, 20 May 2026 Authorities quickly concluded the allegations were unfounded and found no injuries on the boy, but Kang said the ordeal traumatized both her and her 8-year-old daughter from another relationship, who was also interviewed by investigators. Joe Nelson, Daily News, 20 May 2026 See All Example Sentences for unfounded

Word History

First Known Use

1648, in the meaning defined above

Time Traveler
The first known use of unfounded was in 1648

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Cite this Entry

“Unfounded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfounded. Accessed 28 May. 2026.

Kids Definition

unfounded

adjective
un·​found·​ed ˌən-ˈfau̇n-dəd How to pronounce unfounded (audio)
ˈən-
: lacking a sound base : groundless
unfounded suspicions

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