diagnose

verb
di·​ag·​nose | \ ˈdī-ig-ˌnōs , -ˌnōz, ˌdī-ig-ˈ, -əg- \
diagnosed; diagnosing

Definition of diagnose

transitive verb

1a : to recognize (something, such as a disease) by signs and symptoms The other method of diagnosing gallstones is through an ultrasound examination, which has the advantages of being simple, safe and quick.— G. Timothy Johnson Pulmonary embolus was diagnosed in two of the actively treated patients …— Richard D. Sautter et al.
b : to recognize a disease or condition in The physicist and cosmologist was diagnosed with Lou Gehrig's disease when he was a 21-year-old student at Cambridge University.— Maria Cheng
2 : to analyze the cause or nature of The mechanic diagnosed the problem with the engine.

intransitive verb

: to identify a disease from its signs and symptoms : to make a diagnosis

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Other Words from diagnose

diagnosable or diagnoseable \ ˌdī-​ig-​ˈnō-​sə-​bəl , -​əg-​ , -​zə-​ \ adjective

Examples of diagnose in a Sentence

The test is used to help in diagnosing heart disease. Thousands of new cases have been diagnosed in the past year. The doctor was unable to diagnose the skin condition. a new doctor with little experience diagnosing patients The mechanic was unable to diagnose the problem.
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Recent Examples on the Web

Thankfully, a new test may help doctors diagnose it more accurately. Claire Gillespie, SELF, "The FDA Just Approved the First Test for Mycoplasma Genitalium, a Commonly Misdiagnosed STI," 1 Feb. 2019 Doctors eventually diagnosed her with Focal Segmental Glomerulosclerosis, which causes scarring in the kidney. Ben Steele, Milwaukee Journal Sentinel, "Marquette women's basketball player Tori McCoy is seeking a kidney donation," 12 July 2018 The psychologist diagnosed Dozier with anti-social personality disorder with narcissistic traits. Ken Ritter, USA TODAY, "Nevada execution in doubt after pharmaceutical company lawsuit," 11 July 2018 The psychologist diagnosed Dozier with anti-social personality disorder with narcissistic traits. NBC News, "Nevada execution in doubt after drug company sues to stop it," 11 July 2018 The psychologist diagnosed Dozier with anti-social personality disorder with narcissistic traits. Ken Ritter, Time, "A Drug Company Is Suing to Stop Its Drug From Being Used in a Nevada Execution," 11 July 2018 The psychologist diagnosed Dozier with anti-social personality disorder with narcissistic traits. Ken Ritter, The Seattle Times, "Drug company’s lawsuit could derail Nevada execution," 10 July 2018 China is encouraging its population to wear health monitors around the clock, offering scope for AI to mine huge amounts of information, with hopes that intelligent machines will be able to predict illnesses, or diagnose them earlier than doctors. Robyn Dixon, latimes.com, "China plans to dominate AI, with a vanguard of robotic doctors like 'Biomind'," 6 July 2018 The doctor diagnosed him with renal cell cancer and prescribed an oral chemotherapy drug called Sunitinib. Mark Alesia, Indianapolis Star, "Lawsuit: Former Marion County Jail inmate says he was denied his cancer treatment," 18 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diagnose.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of diagnose

circa 1859, in the meaning defined at transitive sense 1

History and Etymology for diagnose

back-formation from diagnosis

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Statistics for diagnose

Last Updated

7 Feb 2019

Look-up Popularity

Time Traveler for diagnose

The first known use of diagnose was circa 1859

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More Definitions for diagnose

diagnose

verb

English Language Learners Definition of diagnose

: to recognize (a disease, illness, etc.) by examining someone
: to recognize a disease, illness, etc., in (someone)
: to find the cause of (a problem)

diagnose

verb
di·​ag·​nose | \ ˈdī-əg-ˌnōs \
diagnosed; diagnosing

Kids Definition of diagnose

: to recognize (as a disease) by signs and symptoms The test is used for diagnosing strep throat.

diagnose

verb
di·​ag·​nose | \ ˈdī-ig-ˌnōs , -ˌnōz , ˌdī-ig-ˈ, -əg-\
diagnosed; diagnosing

Medical Definition of diagnose

transitive verb

1 : to recognize (as a disease) by signs and symptoms
2 : to diagnose a disease or condition in diagnosed the patient

Other Words from diagnose

diagnosable also diagnoseable \ ˌdī-​ig-​ˈnō-​sə-​bəl, -​əg-​, -​zə-​ \ adjective

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More from Merriam-Webster on diagnose

Rhyming Dictionary: Words that rhyme with diagnose

Spanish Central: Translation of diagnose

Nglish: Translation of diagnose for Spanish Speakers

Britannica English: Translation of diagnose for Arabic Speakers

Comments on diagnose

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