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.
Those concerns and complaints have proven to be wildly unfounded. Ian Miller Outkick, FOXNews.com, 15 June 2026 The bill also allows for communication between the state’s health department and IDFPR involving patient abuse allegations, even those a hospital determines are unfounded. Emily Hoerner, Chicago Tribune, 12 June 2026 Hilton on Tuesday addressed the president’s unfounded but vociferous claims that Democrats have massively cheated in our recent election. Los Angeles Times, 11 June 2026 So, can having credit card debt in retirement actually impact your Medicare eligibility, or is this concern primarily unfounded? Angelica Leicht, CBS News, 9 June 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 17 Jun. 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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