diagnose
Americanverb (used with object)
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to determine the identity of (a disease, illness, etc.) by a medical examination.
The doctor diagnosed the illness as influenza.
-
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.
-
to classify or determine on the basis of scientific examination.
verb (used without object)
verb
-
to determine or distinguish by diagnosis
-
(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
Etymology
Origin of diagnose
First recorded in 1860–65; back formation from diagnosis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A new study has found tiny plastic particles in nine out of 10 men diagnosed with prostate cancer.
From Science Daily
He then compared those findings with detailed images of the same types of antibodies collected from people diagnosed with the disorder.
From Science Daily
Kutler has some big professional challenges, but none as daunting as the one that emerged in October when she was diagnosed with breast cancer.
From Los Angeles Times
I am not diagnosing him or implying malicious intent, but I do believe you should be guarded.
From MarketWatch
Wellington Water, which manages the Moa Point plant, has brought in experts from Australia to diagnose what went wrong but it remains a mystery.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.