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
Meanwhile, a growing body of research found that police regularly performed inadequate rape investigations, deciding reports were unfounded before interviewing witnesses, collecting evidence or testing DNA.
—
Willoughby Mariano, ProPublica, 11 Sep. 2025
The classic Stern misdirect briefly confused listeners and leaned into the unfounded rumors that SiriusXM wasn't planning to renew Stern’s current five-year contract, which expires in December.
—Melissa Ruggieri, USA Today, 9 Sep. 2025
Concern about inhaled anesthesia impacting brain development is not totally unfounded, says Ji-Hyun Lee, MD, PhD, co-author of the new study published in Anesthesiology.
—wendy Wisner, Parents, 9 Sep. 2025
But experts say the fear that coffee causes dehydration is, in most cases, unfounded.
—Fran Kritz, Health, 9 Sep. 2025
See All Example Sentences for unfounded
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.
Willoughby Mariano, ProPublica, 11 Sep. 2025
The classic Stern misdirect briefly confused listeners and leaned into the unfounded rumors that SiriusXM wasn't planning to renew Stern’s current five-year contract, which expires in December.
—Melissa Ruggieri, USA Today, 9 Sep. 2025
Concern about inhaled anesthesia impacting brain development is not totally unfounded, says Ji-Hyun Lee, MD, PhD, co-author of the new study published in Anesthesiology.
—wendy Wisner, Parents, 9 Sep. 2025
But experts say the fear that coffee causes dehydration is, in most cases, unfounded.
—Fran Kritz, Health, 9 Sep. 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 12 Sep. 2025.
Copy CitationKids Definition
unfounded
adjective
un·found·ed
ˌən-ˈfau̇n-dəd
ˈən-
: lacking a sound base : groundless
unfounded suspicions
Love words? Need even more definitions?
Merriam-Webster unabridged
Share