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 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 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 People who have been diagnosed with celiac disease have to completely avoid gluten, found in wheat, rye and barley, as well as variations of wheat including spelt, emmer (farro), einkorn and Kamut. Carrie Dennett, Washington Post, "Beyond bread and beans: Getting enough fiber when you have a food intolerance," 4 Nov. 2019 Tolland has rallied around its head coach Scott Cady, who was diagnosed with mesothelioma back in the spring. Shawn Mcfarland, courant.com, "High school football: Southington is back, Rockville is the real deal, Sheehan vs. Cheshire is a must-watch game and other takeaways from Week 8," 3 Nov. 2019 For much of the 20th century, Alzheimer’s could only be diagnosed by looking at the brain post-mortem—which wasn’t particularly useful for the patient in question. Katherine Ellen Foley, Quartz, "There are a lot of promising blood tests for Alzheimer’s—here’s how to keep track," 1 Aug. 2019 Type 1 diabetes, which typically is diagnosed in childhood, occurs when the immune system destroys the cells that produce insulin. Carmen Heredia Rodriguez, Washington Post, "Retooled Vaccine Raises Hopes As A Lower-Cost Treatment For Type 1 Diabetes," 13 July 2018 Attention-deficit/hyperactivity disorder (ADHD) often is considered a condition that’s diagnosed in childhood, bringing to mind fidgety, impulsive youngsters. Teal Burrell, Discover Magazine, "Not Your Kid’s ADHD," 15 Dec. 2016

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/diagnoseable?pronunciation&lang=en_us&dir=d&file=diagno03. Accessed 11 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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