misdiagnose
verb
mis·di·ag·nose
ˌmis-ˈdī-ig-ˌnōs 
-ˌnōz,
ˌdī-ig-ˈnōs,
-ˈnōz,
-əg-
misdiagnosed; misdiagnosing
: to diagnose (someone or something) incorrectly
… babesiosis is often missed or misdiagnosed as malaria or flu.—
Linda Marsa
Linda MarsaThe researchers added that children with this disease are often misdiagnosed and thus inappropriately treated …—Jane E. Brody
Jane E. BrodyExamples of misdiagnose in a Sentence
Recent Examples on the Web
However, when Sophie was 5, her condition was misdiagnosed as conjunctivitis.
—Lexi Lane, PEOPLE, 14 June 2026
This distinction matters because executive dysfunction is often misdiagnosed.
—Britton Bloch, Forbes.com, 12 June 2026
Being that rare means the condition can often be overlooked or misdiagnosed, which means many are only found at later stages.
—Lianne Kolirin, CNN Money, 10 June 2026
Yes, overmedication is a real crisis, and OCD is frequently misdiagnosed, but Amba’s song turns a struggling kid into some pure-hearted, misunderstood dreamer.
—Hannah Jocelyn, Pitchfork, 9 June 2026
See All Example Sentences for misdiagnose
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Lexi Lane, PEOPLE, 14 June 2026
This distinction matters because executive dysfunction is often misdiagnosed.
—Britton Bloch, Forbes.com, 12 June 2026
Being that rare means the condition can often be overlooked or misdiagnosed, which means many are only found at later stages.
—Lianne Kolirin, CNN Money, 10 June 2026
Yes, overmedication is a real crisis, and OCD is frequently misdiagnosed, but Amba’s song turns a struggling kid into some pure-hearted, misunderstood dreamer.
—Hannah Jocelyn, Pitchfork, 9 June 2026
See All Example Sentences for misdiagnose
Cite this Entry
“Misdiagnose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misdiagnose. Accessed 20 Jun. 2026.
Copy CitationMedical Definition
misdiagnose
transitive verb
mis·di·ag·nose
(ˈ)mis-ˈdī-ig-ˌnōs, -ˌnōz
misdiagnosed; misdiagnosing
: to diagnose incorrectly
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