diagnose

verb
di·​ag·​nose | \ ˈdī-ig-ˌnōs How to pronounce diagnose (audio) , -ˌnōz, ˌdī-ig-ˈnōs How to pronounce diagnose (audio) , -ˈnōz, -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 How to pronounce diagnoseable (audio) , -​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 Doctors diagnosed her with paresis of the vocal folds, a muscular dysfunction. New York Times, "After Trauma, a Silenced Vocalist Sings Again," 21 Nov. 2019 At this point, the doctors diagnosed him with a rare genetic condition called pigment dispersion syndrome. Beth Mole, Ars Technica, "Rare genetic condition gives man Eye of Sauron look," 15 Nov. 2019 Learn about vascular disease, what to look for, how your doctor diagnoses it and some of the newest treatments available. courant.com, "Community News For The West Hartford Edition," 11 Nov. 2019 Michael's fight isn't over -- doctors diagnosed him with a cardiac fibroma, a rare tumor that can block blood to a child's heart. Aj Willingham, CNN, "Wildfire helpers, a famous cat and some adorable costumes," 2 Nov. 2019 Doctors diagnosed him with bipolar disorder and put him on medication before discharging him. USA Today, "A security empire deployed guards with violent pasts across the U.S. Some went on to rape, assault or kill," 31 Oct. 2019 Doctors diagnosed him with ABS by giving him a carbohydrate meal then measuring his blood alcohol levels, which reached .05 g/dL within eight hours. Ryan W. Miller, USA TODAY, "Rare medical condition can turn bodies into breweries. Here's how auto-brewery syndrome works," 18 Oct. 2019 The urgent care clinic did not physically examine her and diagnosed her with a high white blood cell count and shortness of breath, giving her an inhaler. Howard Koplowitz | Hkoplowitz@al.com, al, "Lee County jury awards $9M in wrongful death case of Auburn University student," 16 Oct. 2019 Padukone flew to meet with Chandy and later with psychiatrist Shyam Bhat, who eventually diagnosed her with depression and anxiety. David Roemer, Harper's BAZAAR, "Deepika Padukone's Global Domination," 15 Oct. 2019

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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Time Traveler for diagnose

Time Traveler

The first known use of diagnose was circa 1859

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Statistics for diagnose

Last Updated

28 Nov 2019

Cite this Entry

“Diagnose.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/diagnose?pronunciation&lang=en_us&dir=d&file=diagno02. Accessed 10 December 2019.

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More Definitions for diagnose

diagnose

verb
How to pronounce diagnose (audio) How to pronounce diagnose (audio)

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 How to pronounce diagnose (audio) \
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 How to pronounce diagnose (audio) , -ˌnōz How to pronounce diagnose (audio) , 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-​ How to pronounce diagnoseable (audio) \ adjective

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Comments on diagnose

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