misdiagnose

verb

mis·​di·​ag·​nose ˌmis-ˈdī-ig-ˌnōs How to pronounce misdiagnose (audio)
-ˌnōz,
ˌdī-ig-ˈnōs,
-ˈnōz,
-əg-
misdiagnosed; misdiagnosing

transitive verb

: to diagnose (someone or something) incorrectly
… babesiosis is often missed or misdiagnosed as malaria or flu.Linda Marsa
The researchers added that children with this disease are often misdiagnosed and thus inappropriately treated …Jane E. Brody

Examples of misdiagnose 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.
Autopsies can catch hereditary illnesses that doctors tend to miss, such as signet-ring-cell carcinomas, and reveal causes of dementia that may have been misdiagnosed as Alzheimer’s. Samuel Ashworth, The Atlantic, 20 Mar. 2025 Women were frequently dismissed or misdiagnosed, left to navigate the transition alone. Jane Hanson, Forbes, 8 Mar. 2025 This is, in large part, due to the symptoms of endometriosis, which can be misdiagnosed for other conditions. Kristen Fischer, Health, 4 Mar. 2025 Emotional dysregulation has traditionally been overlooked as one of the most debilitating aspects of ADHD and has resulted in people being misdiagnosed with conditions like depression and anxiety. New Atlas, 19 Dec. 2024 See All Example Sentences for misdiagnose

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of misdiagnose was in 1883

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Cite this Entry

“Misdiagnose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misdiagnose. Accessed 25 Mar. 2025.

Medical Definition

misdiagnose

transitive verb
mis·​di·​ag·​nose (ˈ)mis-ˈdī-ig-ˌnōs, -ˌnōz How to pronounce misdiagnose (audio)
misdiagnosed; misdiagnosing
: to diagnose incorrectly

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