diagnose
[ dahy-uhg-nohs, -nohz, dahy-uhg-nohs, -nohz ]
/ ˈdaɪ əgˌnoʊs, -ˌnoʊz, ˌdaɪ əgˈnoʊs, -ˈnoʊz /
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verb (used with object), di·ag·nosed, di·ag·nos·ing.
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), di·ag·nosed, di·ag·nos·ing.
to make a diagnosis.
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Origin of diagnose
First recorded in 1860–65; back formation from diagnosis
OTHER WORDS FROM diagnose
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use diagnose in a sentence
British Dictionary definitions for diagnose
diagnose
/ (ˈdaɪəɡˌnəʊz) /
verb
to determine or distinguish by diagnosis
(tr) to examine (a person or thing), as for a disease
Derived forms of diagnose
diagnosable, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
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