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verb Uncommon

diagnose

DUH-ih-uhg-nohz

Diagnose (verb) means to identify a disease or condition from a patient's symptoms. Example: “The doctor diagnosed her with a mild case of the flu.”

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verb
1
To identify a disease or condition from a patient's symptoms.
"The doctor diagnosed her with a mild case of the flu."
"It took several tests before the specialist could diagnose the illness."
2
To identify the cause of any problem.
"The mechanic quickly diagnosed the engine trouble as a faulty sensor."

How to use diagnose

Learner’s notes

In plain EnglishTo figure out exactly what is wrong, whether with a person's health or a broken machine.

Common mistake

You diagnose a *condition*, but a *person* "is diagnosed with" a condition — "diagnosed with diabetes," not "diagnosed diabetes."

Common pairings
diagnose a condition diagnosed with cancer diagnose the problem
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Word forms

diagnosed past tense, diagnoses singular

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Fill the gap

Can you complete this real example?

The doctor _____ her with a mild case of the flu.

Etymology

A back-formation from diagnosis, ultimately from Greek diagignoskein ("to distinguish, discern").

Origin: Greek

Related words

Rhymes for diagnose

See all rhymes for diagnose →

Frequently asked questions

What does “diagnose” mean?

The word “diagnose” means to identify a disease or condition from a patient's symptoms. In plain terms, to figure out exactly what is wrong, whether with a person's health or a broken machine.

How do you pronounce “diagnose”?

“Diagnose” is pronounced DUH-ih-uhg-nohz (/ˈdaɪ.əɡˌnoʊs/ in IPA).

How do you use “diagnose” in a sentence?

Here is “diagnose” used in a sentence: “The doctor diagnosed her with a mild case of the flu.”

What part of speech is “diagnose”?

“Diagnose” is a verb.

Where does the word “diagnose” come from?

The word “diagnose” comes from Greek. A back-formation from diagnosis, ultimately from Greek diagignoskein ("to distinguish, discern").

Is “diagnose” a common word?

“Diagnose” is an uncommon word in modern English.

How many meanings does “diagnose” have?

“Diagnose” has 2 distinct senses listed in this dictionary. The most common is: to identify a disease or condition from a patient's symptoms.

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Definitions: FreeDict original editorial