diagnose

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

/ ˈdaɪ əgˌnoʊs, -ˌnoʊz, ˌdaɪ əgˈnoʊs, -ˈnoʊz /

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See synonyms for: diagnose / diagnosed on Thesaurus.com

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

di·ag·nos·a·ble, adjectiveun·der·di·ag·nose, verb (used with object), un·der·di·ag·nosed, un·der·di·ag·nos·ing.un·di·ag·nos·a·ble, adjectiveun·di·ag·nosed, adjective

well-di·ag·nosed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use diagnose in a sentence

Typically, this would be diagnosed as phonophobia — a fear of sound.
Please Get Your Noise Out of My Ears (Ep. 439)|Stephen J. Dubner|November 12, 2020|Freakonomics
A new study, published in Lancet Psychiatry, has found that almost one in five people who have had covid-19 go on to be diagnosed with a mental illness within three months of testing positive.
One in five covid-19 patients are diagnosed with a mental illness within three months|Charlotte Jee|November 11, 2020|MIT Technology Review
Visitors are challenged in virtual exercises to find gamma rays, calculate the engine power needed for air cargo drops, build bridges and diagnose illnesses.
New Army Museum highlights innovation and individual stories|Ann Cameron Siegal|November 11, 2020|Washington Post
They’re even developing tools to help astronauts diagnose and treat their own diseases.
Let’s learn about Mars|Bethany Brookshire|November 10, 2020|Science News For Students

His reaction here after he was diagnosed with stage 4 pancreatic cancer.
Fans share their favorite Alex Trebek and ‘Jeopardy!’ moments, from good-natured ribbing to emotional clips|Travis Andrews|November 8, 2020|Washington Post
As a rule, I am chary about doling out diagnoses unless there is a clear indication to do so.
Daydreaming Is Not a Disorder|Russell Saunders|October 4, 2014|DAILY BEAST
Only a third of gay men know that the rate of new HIV diagnoses is rising among men who have sex with men.
Doctors Are Failing Their Gay Patients|Russell Saunders|September 27, 2014|DAILY BEAST
Some time ago, I wrote a blog post in which I had the temerity to question the validity of chronic Lyme diagnoses.
Predator Doctors Take Advantage of Patients With ‘Chronic Lyme’ Scam|Russell Saunders|September 19, 2014|DAILY BEAST
Patients often expect doctors to act in some capacity, despite initial diagnoses.
Are Routine Scans Causing Cancer?|Dale Eisinger|September 17, 2014|DAILY BEAST
Online diagnoses are delivered hyperbolically and without a shred of bedside manner.
Strangers Diagnose Your Illness and Get Cash in Return|Kevin Zawacki|August 15, 2014|DAILY BEAST
Borelli was the author of the oft-quoted maxim: "He who diagnoses well cures well."
An Epitome of the History of Medicine|Roswell Park
The paucity of specimens of Chelydra from Central America has resulted in rather inadequate diagnoses of various populations.
Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala|William E. Duellman
It consists of a codification of the Latin diagnoses of all the genera of Flowering Plants.
Makers of British Botany; a collection of biographies by living botanists|Various
These, owing to their diversity of form and arrangement, will be further described under the generic diagnoses.
The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer
The human organism actually diagnoses its own illnesses automatically.
The Social Gangster|Arthur B. Reeve

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, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

diagnose

Origin of diagnose

OTHER WORDS FROM diagnose

Words related to diagnose

How to use diagnose in a sentence

British Dictionary definitions for diagnose

Derived forms of diagnose