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misdiagnose

American  
[mis-dahy-uhg-nohs, -nohz, mis-dahy-uhg-nohs, -nohz] / mɪsˈdaɪ əgˌnoʊs, -ˌnoʊz, ˌmɪs daɪ əgˈnoʊs, -ˈnoʊz /

verb (used without object)

misdiagnosed, misdiagnosing
  1. to make an incorrect diagnosis.


verb (used with object)

misdiagnosed, misdiagnosing
  1. to diagnose erroneously.

    to misdiagnose the nation's ills.

misdiagnose British  
/ ˌmɪsˈdaɪəɡˌnəʊz /

verb

  1. to diagnose (an illness or problem) wrongly or mistakenly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of misdiagnose

First recorded in 1925–30; mis- 1 + diagnose

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We have to be careful not to misdiagnose economic weakness,” Macklem said.

From The Wall Street Journal • Feb. 5, 2026

There are situations in which doctors can misdiagnose people with TB.

From Los Angeles Times • Mar. 25, 2024

“Even medical professionals don’t always have the best information, and they very often misdiagnose bites,” Dr. Scott said.

From New York Times • Aug. 25, 2022

Difficulties in detecting the illness have led some doctors to dismiss patients or to misdiagnose their symptoms as psychosomatic.

From Seattle Times • Feb. 19, 2022

"This is unhelpful for clinicians, who may misdiagnose someone as having an eating disorder or OCD."

From BBC • Mar. 3, 2017