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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

"It is exceptionally dangerous to ignore your symptoms and to misdiagnose yourself because you could be missing out on appropriate help."

From BBC • May 3, 2023

This difference may help explain why clinicians sometimes misdiagnose women who have bipolar disorder with depression.

From Seattle Times • Sep. 16, 2022

Without proper context, the data could potentially be used to misdiagnose illnesses and turn people into hypochondriacs.

From New York Times • Jan. 5, 2022