unfounded
adjective
un·found·ed
ˌən-ˈfau̇n-dəd 
: 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
The letter follows the ouster of CDC director Susan Monarez just one month into her tenure after a disagreement over vaccine policy with Kennedy, a vaccine skeptic who has promoted a controversial and unfounded theory that links vaccines to autism.
—
Swapna Venugopal Ramaswamy, USA Today, 4 Sep. 2025
Brazil’s top electoral court has already banned Bolsonaro from running in elections until 2030 over abuse of power while in office and casting unfounded doubts on the country’s electronic voting system.
—CNN Money, 2 Sep. 2025
Soon after the rollout of the COVID-19 vaccines, a veritable flood of misinformation followed—often in the guise of unfounded conspiracy theories featuring prominently on social media.
—Joshua P. Cohen, Forbes.com, 2 Sep. 2025
Earlier this month, unfounded rumors spread that Bon Jovi drummer Tico Torres was stepping away from the band.
—Andy Greene, Rolling Stone, 27 Aug. 2025
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Swapna Venugopal Ramaswamy, USA Today, 4 Sep. 2025
Brazil’s top electoral court has already banned Bolsonaro from running in elections until 2030 over abuse of power while in office and casting unfounded doubts on the country’s electronic voting system.
—CNN Money, 2 Sep. 2025
Soon after the rollout of the COVID-19 vaccines, a veritable flood of misinformation followed—often in the guise of unfounded conspiracy theories featuring prominently on social media.
—Joshua P. Cohen, Forbes.com, 2 Sep. 2025
Earlier this month, unfounded rumors spread that Bon Jovi drummer Tico Torres was stepping away from the band.
—Andy Greene, Rolling Stone, 27 Aug. 2025
See All Example Sentences for unfounded
Cite this Entry
“Unfounded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfounded. Accessed 9 Sep. 2025.
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unfounded
adjective
un·found·ed
ˌən-ˈfau̇n-dəd
ˈən-
: lacking a sound base : groundless
unfounded suspicions
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