diagnose

[dahy-uhg-nohs, -nohz, dahy-uhg-nohs, -nohz]

verb (used with object)

diagnosed, diagnosing 

1. to determine the identity of (a disease, illness, etc.) by a medical examination.

   The doctor diagnosed the illness as influenza.

2. to ascertain the cause or nature of (a disorder, malfunction, problem, etc.) from the symptoms.

   The mechanic diagnosed the trouble that caused the engine knock.

3. to classify or determine on the basis of scientific examination.

verb (used without object)

diagnosed, diagnosing 

1. to make a diagnosis.

diagnose

/ ˈdaɪəɡˌnəʊz /

verb

1. to determine or distinguish by diagnosis

2. (tr) to examine (a person or thing), as for a disease

Other Word Forms

• diagnosable adjective
• underdiagnose verb (used with object)
• undiagnosable adjective
• undiagnosed adjective
• well-diagnosed adjective

Word History and Origins

Origin of diagnose¹

First recorded in 1860–65; back formation from diagnosis

Example Sentences

"Having teams capable of diagnosing and responding rapidly to network failures is key to maintaining public trust and keeping the UK's digital infrastructure running smoothly."

Read more on BBC

While the DOH said diagnosis is frequently underreported "early diagnosis and support can, however, make a difference, so once the condition has been diagnosed a team of professionals can assess the child's needs".

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The next day she was diagnosed with pericarditis - an inflammation of the fluid-filled sac around the heart.

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Keaton was nominated for an Academy Award for her portrayal of Bessie Lee, a woman who has been caring for years for her bedridden father when she is diagnosed with leukemia.

Read more on Los Angeles Times

In May, Biden's office announced that he was diagnosed with a more aggressive form of the disease, which had spread to his bones.

Read more on BBC

Related Words

• analyze 
• determine 
• investigate 
• pinpoint 
• pronounce 
• recognize