undiagnosed

adjective

un·​di·​ag·​nosed ˌən-ˌdī-ig-ˈnōst How to pronounce undiagnosed (audio)
-əg-,
-zd
: not diagnosed : not identified through diagnosis
an undiagnosed illness
… the symptoms of the syndrome may be subtle and thus may remain undiagnosed.Dwight R. Robinson
a condition that often goes undiagnosed

Examples of undiagnosed in a Sentence

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.
The World Health Organization (WHO) estimates that about 410,000 people globally develop drug-resistant TB each year, with many of these cases going undiagnosed or untreated. Thomas G. Moukawsher, Newsweek, 29 Jan. 2025 Not addressing it with a doctor could make all the difference between getting the necessary treatment and struggling with undiagnosed ADHD or another neurodevelopmental disorder. Brian Mastroianni, Health, 19 Oct. 2024 The condition can worsen if left undiagnosed and untreated, so healthcare providers may use imaging tests such as:52 Duplex ultrasound: This test examines how blood moves through veins and arteries. Laura Schober, Health, 12 Jan. 2025 While prevalence is likely higher due to the fact that asthma can go undiagnosed and untreated, nearly 1 in 10 adults living in the United States likely has the condition per the U.S. Centers for Disease Control and Prevention. Daryl Austin, USA TODAY, 11 Jan. 2025 See all Example Sentences for undiagnosed 

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of undiagnosed was in 1864

Dictionary Entries Near undiagnosed

Cite this Entry

“Undiagnosed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undiagnosed. Accessed 16 Feb. 2025.

Medical Definition

undiagnosed

adjective
un·​di·​ag·​nosed -ˈnōst How to pronounce undiagnosed (audio)
: not diagnosed : eluding diagnosis
undiagnosed disease
Last Updated: - Updated example sentences
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