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.
During his annual summer break, unfounded rumors circulated that SiriusXM, which enticed Stern away from terrestrial radio in 2004 and launched his show in 2006, would not extend his reportedly hefty contract. Melissa Ruggieri, USA Today, 16 Dec. 2025 In the months since, Owens has pushed conspiracy theories about his murder and made unfounded fraud allegations about the finances at Turning Point, which Erika Kirk now runs. CBS News, 15 Dec. 2025 Reports of shots fired two blocks away from the scene of the earlier incident at or near Brown University were unfounded, the school said. Sophie Comeau, NBC news, 14 Dec. 2025 Lindell -- who has been one of the leading proponents of unfounded claims that voting machines created fraud in the 2020 election -- previously registered a candidate campaign committee with the Minnesota Campaign Finance Board, according to a filing with the board. Olivia Rubin, ABC News, 11 Dec. 2025 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

Browse Nearby Words

Cite this Entry

“Unfounded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfounded. Accessed 21 Dec. 2025.

Kids Definition

unfounded

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

More from Merriam-Webster on unfounded

Last Updated: - Updated example sentences
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