Dictionary.com
Thesaurus.com
Showing results for misdiagnose. Search instead for misdiagnosed.

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.

See Examples For:

“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

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

From Seattle Times Sep. 16, 2022

“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

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

From BBC Mar. 3, 2017

"I never had a brain tumour. I was misdiagnosed and I've gone through all this treatment for the main part of my adult life, for no reason," she said.

From BBC Sep. 13, 2026

She said her husband sought treatment at several hospitals and his condition was “repeatedly” misdiagnosed.

From Los Angeles Times Aug. 27, 2026

She hasn't got a number for how many people she thinks have been misdiagnosed, but believes researchers could figure it out.

From BBC Aug. 21, 2026

Some estimates suggest that a significant share of patients remain undiagnosed or misdiagnosed for years, often cycling through providers before receiving a clear explanation for their symptoms.

From Salon May 16, 2026

When he saw the photographs of her biopsy, he immediately realized her tumor had been misdiagnosed.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Williams’ departure came after an ugly dispute with the team’s medical staff and former president Bruce Allen in which he blamed the team for misdiagnosing a cancerous growth on his head.

From Washington Times Sep. 1, 2022

This included misdiagnosing a student with a potentially life-threatening case of appendicitis and failing to notice a stress fracture in another student, prolonging the recovery.

From Seattle Times Jul. 13, 2020

Caroline Schnakers was a neuropsychologist in Belgium when studies began appearing that showed doctors were misdiagnosing consciousness: People who were conscious were being diagnosed as being in a vegetative state.

From Los Angeles Times Aug. 22, 2019

In his 2015 autobiography Purple Revolution, he laid bare both his anger with the NHS for initially misdiagnosing his condition but also his gratitude for the ultimately successful treatment, which he says saved his life.

From BBC May 27, 2019

Edmunds relies on his athleticism and speed to make up for potentially misdiagnosing a play’s design but Smith combines 4.52 speed with that high football IQ to tackle anything that moves anywhere on the field.

From Washington Post Apr. 20, 2018

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training