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.
Then $1,500 for Noma stateside isn’t entirely unfounded. Emily Wilson, Bon Appetit Magazine, 26 Jan. 2026 These fears are not unfounded, said Rhiannon Batchelder, a career coach based in Denver. Annie Nova, CNBC, 24 Jan. 2026 However, in December, the issue garnered additional attention after the administration amplified an unfounded allegation that had largely spread by right-wing social media influencers online. Elena Moore, NPR, 23 Jan. 2026 Investigators claim Guarino received $110,000 in excess of what was recorded on her timesheets, while Garcia collected over $43,000 above what she was owed and Gonzalez received more than $7,000 in unfounded payments. Brian Niemietz, New York Daily News, 21 Jan. 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 Jan. 2026.

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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