Dictionary.com

diagnose

[ dahy-uhg-nohs, -nohz, dahy-uhg-nohs, -nohz ]
/ 藞da瑟 蓹g藢no蕣s, -藢no蕣z, 藢da瑟 蓹g藞no蕣s, -藞no蕣z /
Save This Word!
See synonyms for: diagnose / diagnosed on Thesaurus.com

verb (used with object), di路ag路nosed, di路ag路nos路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路ag路nosed, di路ag路nos路ing.
to make a diagnosis.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes 鈥渟ky blue鈥?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of diagnose

First recorded in 1860鈥65; back formation from diagnosis

OTHER WORDS FROM diagnose

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2021

How to use diagnose in a sentence

British Dictionary definitions for diagnose

diagnose
/ (藞da瑟蓹伞藢n蓹蕣z) /

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 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for diagnose

diagnose
[ d墨蓹g-n艒s鈥, -n艒z鈥 ]

v.
To distinguish or identify a disease by diagnosis.
To identify a person as having a particular disease or condition by diagnosis.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK