Definition of DIAGNOSES (original) (raw)

transitive verb

1

a

: 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.

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.

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

As is often the case, Trump accurately diagnosed a fundamental failure of the reigning policy elites, but offered a half-baked solution to the problem. —Yair Rosenberg, The Atlantic, 5 Feb. 2025 As an infant, Sophie was diagnosed with spina bifida, a condition that occurs when the spine and spinal cord don't form properly, according to the Mayo Clinic. —Emy Lacroix, People.com, 4 Feb. 2025 Carrasco was diagnosed with chronic myeloid leukemia during the 2019 season. —Gary Phillips, New York Daily News, 3 Feb. 2025 According to local newspaper Chosun Ilbo, Lee was previously diagnosed with stage 4 breast cancer three decades ago and given just one year to live, but overcame it. —Jessica Wang, EW.com, 3 Feb. 2025 See all Example Sentences for diagnose

Word History

Etymology

back-formation from diagnosis

First Known Use

circa 1841, in the meaning defined at transitive sense 1a

Time Traveler

The first known use of diagnose was circa 1841

Dictionary Entries Near diagnose

Cite this Entry

“Diagnose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diagnose. Accessed 12 Feb. 2025.

Share

More from Merriam-Webster on diagnose

Last Updated: 8 Feb 2025 - Updated example sentences

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Merriam-Webster unabridged