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.
Additionally, the notion that this community is a drain on our resources is completely unfounded. Linh Tat, Oc Register, 4 May 2026 Geminis are famously known for spreading the tea, which is why Chris aligns with the unfounded and inaccurate tales the air sign often tells. Lisa Stardust, PEOPLE, 3 May 2026 Officers responded and determined the report was unfounded. Darrell Smith, Sacbee.com, 1 May 2026 Despite this, unfounded conspiracy theories from both the left and the right proliferated, chief among them that the shooting was staged. ABC News, 27 Apr. 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 5 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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