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.
The details surrounding Eisenhower’s immediate treatment remain a mystery, though Newton suggests that may have had more do with protecting his personal physician, who misdiagnosed the heart attack as a bout of indigestion, than a purposeful attempt to mislead the public. Mark Z. Barabak, Los Angeles Times, 21 May 2025 According to the National Institute of Neurological Disorders and Stroke, SPS impacts about one in a million people and is often misdiagnosed because of its overlap with other conditions. Tahar Rajab, MSNBC Newsweek, 17 May 2025 Additionally, conditions like vulvodynia, or certain dermatological conditions that affect the labia majora, are often misdiagnosed or poorly studied, Patel notes. Elizabeth Yuko, Flow Space, 6 May 2025 In 2024, she was honored by Autism Speaks for her advocacy work, using her platform to elevate awareness around autism, particularly for women who are often misdiagnosed or misunderstood. Jennifer Jay Palumbo, Forbes.com, 28 Apr. 2025 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 24 May. 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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