undiagnosed
adjective
un·di·ag·nosed
ˌən-ˌdī-ig-ˈnōst 
-əg-,
-zd
Examples of undiagnosed in a Sentence
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To see how this may play out in humans, researchers looked at health data from more than 40,000 Danish infants, half of whom were born to mothers with undiagnosed depression during or after pregnancy.
—
Tom Gavin, EverydayHealth.com, 16 Mar. 2026
Anxiety improves, and what emerges is undiagnosed ADHD.
—Deldhy Nicolás Moya Sánchez, The Conversation, 16 Mar. 2026
Different sources use different thresholds to define the disorder, and an unknown but certainly high share of cases go undiagnosed.
—Gilad Edelman, The Atlantic, 15 Mar. 2026
The possibility that future cases could go undiagnosed spurred Nava Yeganeh and her colleagues to publish a news release in September when a Los Angeles County child died of SSPE.
—ABC News, 12 Mar. 2026
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Tom Gavin, EverydayHealth.com, 16 Mar. 2026
Anxiety improves, and what emerges is undiagnosed ADHD.
—Deldhy Nicolás Moya Sánchez, The Conversation, 16 Mar. 2026
Different sources use different thresholds to define the disorder, and an unknown but certainly high share of cases go undiagnosed.
—Gilad Edelman, The Atlantic, 15 Mar. 2026
The possibility that future cases could go undiagnosed spurred Nava Yeganeh and her colleagues to publish a news release in September when a Los Angeles County child died of SSPE.
—ABC News, 12 Mar. 2026
See All Example Sentences for undiagnosed
Cite this Entry
“Undiagnosed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undiagnosed. Accessed 22 Mar. 2026.
Copy CitationMedical Definition
undiagnosed
adjective
un·di·ag·nosed
-ˈnōst
: not diagnosed : eluding diagnosis
undiagnosed disease
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