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
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In that role, Suarez said Lucas had a spontaneous rupture of the aorta potentially linked to an undiagnosed genetic condition. Devoun Cetoute, Miami Herald, 3 Apr. 2025 Her own undiagnosed condition left Wetzstein bedridden and nocturnal for much of her childhood. Shreyas Teegala, Smithsonian Magazine, 25 Mar. 2025 In 2003, Ritter died suddenly from an undiagnosed congenital heart defect. Andrew Walsh, EW.com, 23 Mar. 2025 He was given a wheelchair but remained undiagnosed, relying on fellow inmates for basic tasks such as showering and using the restroom. Walter Pavlo, Forbes, 13 Mar. 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

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Cite this Entry

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