noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/daɪəɡˈnəʊsɪs/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -əʊsɪs
CMU ARPABET:D AY2 AH0 G N OW1 S AH0 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The process of, or an instance of, identification of the nature and cause of a medical condition or illness.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, sciences
Examples
Diagnosis is a challenging art informed by wide-ranging science.
He was given the wrong treatment due to an erroneous diagnosis.
Her diagnoses include type 2 diabetes mellitus, primary hypertension, diabetic retinopathy, and generalized anxiety disorder.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The process of, or an instance of, identification of the nature and cause of something (of any nature).
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
Diagnosis is part of being an automotive mechanic.
Her diagnosis of the current economic situation is that central banks are overcorrecting.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A written description of a species or other taxon serving to distinguish that species from all others; especially a description written and published in Latin.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, natural-sciences, taxonomy
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
Synonym of diagnose.
Definition source: English Wiktionary via Wiktextract
Usage: nonstandard, proscribed, rare
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: diagnose
Antonyms: none provided
5
noun
Meaning 5
identifying the nature or cause of some phenomenon
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: diagnosing
Antonyms: none provided
Broader terms: designation, identification
Narrower terms: blood typing, medical diagnosis, urinalysis, uranalysis
History
Etymology
Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δια- (dia-) Proto-Indo-European *ǵneh3- Proto-Indo-European *-sḱéti Proto-Indo-European *ǵn̥h3sḱétider. Proto-Hellenic *gignṓskō Ancient Greek γῐγνώσκω (gĭgnṓskō) Ancient Greek δῐαγῐγνώσκω (dĭagĭgnṓskō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σῐς (-sĭs) Ancient Greek δῐᾰ́γνωσῐς (dĭắgnōsĭs)der. Latin diagnōsisder. English diagnosis From Latin diagnōsis, from Ancient Greek διάγνωσις (diágnōsis), from διαγιγνώσκω (diagignṓskō, “to discern”), from διά (diá, “through”) + γιγνώσκω (gignṓskō, “to know”).
Across languages
Translations
97 source translations are retained for this English entry.
Albanian:
diagnozë
— identification of the nature and cause of an illness
Arabic:
تَشْخِيص
(tašḵīṣ)
— identification of the nature and cause of an illness
Armenian:
ախտորոշում
(axtorošum)
— identification of the nature and cause of an illness
Armenian:
դիագնոզ
(diagnoz)
— identification of the nature and cause of an illness
Azerbaijani:
diaqnoz
— identification of the nature and cause of an illness
Belarusian:
дыя́гназ
(dyjáhnaz)
— identification of the nature and cause of an illness
Bulgarian:
диагно́за
(diagnóza)
— identification of the nature and cause of an illness
Catalan:
diagnòstic
— identification of the nature and cause of an illness
Catalan:
diagnosi
— identification of the nature and cause of an illness
Chinese Cantonese:
診斷 /诊断
(can2 dyun3 / zan2 dyun3)
— identification of the nature and cause of an illness
Chinese Mandarin:
診斷 /诊断
(zhěnduàn)
— identification of the nature and cause of an illness
Czech:
diagnóza
— identification of the nature and cause of an illness
Danish:
diagnose
— identification of the nature and cause of an illness
Danish:
diagnosticering
— identification of the nature and cause of an illness
Dutch:
diagnose
— identification of the nature and cause of an illness
Esperanto:
diagnozo
— identification of the nature and cause of an illness
Estonian:
diagnoos
— identification of the nature and cause of an illness
Finnish:
diagnoosi
— identification of the nature and cause of an illness
French:
diagnostic
— identification of the nature and cause of an illness
French:
diagnose
— identification of the nature and cause of an illness
Galician:
diagnose
— identification of the nature and cause of an illness
Georgian:
დიაგნოზი
(diagnozi)
— identification of the nature and cause of an illness
German:
Diagnose
— identification of the nature and cause of an illness
Greek:
διάγνωση
(diágnosi)
— identification of the nature and cause of an illness
Ancient Greek:
διάγνωσις
(diágnōsis)
— identification of the nature and cause of an illness
Gujarati:
નિદાન
(nidān)
— identification of the nature and cause of an illness
Hebrew:
אִבחוּן
(ivkhún)
— identification of the nature and cause of an illness
Hindi:
निदान
(nidān)
— identification of the nature and cause of an illness
Hungarian:
diagnózis
— identification of the nature and cause of an illness
Hungarian:
kórjelzés
— identification of the nature and cause of an illness
Icelandic:
greining
— identification of the nature and cause of an illness
Icelandic:
sjúkdómsgreining
— identification of the nature and cause of an illness
Indonesian:
diagnosis
— identification of the nature and cause of an illness
Interlingua:
diagnose
— identification of the nature and cause of an illness
Italian:
diagnosi
— identification of the nature and cause of an illness
Japanese:
診断
(shindan)
— identification of the nature and cause of an illness
Kazakh:
диагноз
(diagnoz)
— identification of the nature and cause of an illness
Kazakh:
диагностика
(diagnostika)
— identification of the nature and cause of an illness
Khmer:
រោគរិនិច្ច័យ
— identification of the nature and cause of an illness
Korean:
진단
(jindan)
— identification of the nature and cause of an illness
Northern Kurdish:
teşxîs
— identification of the nature and cause of an illness
Kyrgyz:
диагноз
(diagnoz)
— identification of the nature and cause of an illness
Kyrgyz:
диагностика
(diagnostika)
— identification of the nature and cause of an illness
Lao:
ການວິນິດໄສ
(kān wi nit sai)
— identification of the nature and cause of an illness
Lao:
ການພິເຄາະໂຣກ
(kān phi khǫ rōk)
— identification of the nature and cause of an illness
Latvian:
diagnoze
— identification of the nature and cause of an illness
Lithuanian:
diagnozė
— identification of the nature and cause of an illness
Macedonian:
дијагно́за
(dijagnóza)
— identification of the nature and cause of an illness
Malay:
diagnosis
— identification of the nature and cause of an illness
Māori:
whakatau māuiui
— identification of the nature and cause of an illness
Marathi:
निदान
(nidān)
— identification of the nature and cause of an illness
Mongolian:
оношилгоо
(onošilgoo)
— identification of the nature and cause of an illness
Mongolian:
оношлогоо
(onošlogoo)
— identification of the nature and cause of an illness
Mongolian:
онош
(onoš)
— identification of the nature and cause of an illness
Mongolian:
диагноз
(diagnoz)
— identification of the nature and cause of an illness
Mongolian:
ᠣᠨᠤᠰᠢᠯᠠᠭᠠ
(onusilaɣ-a)
— identification of the nature and cause of an illness
Mongolian:
ᠣᠨᠤᠰᠢ
(onusi)
— identification of the nature and cause of an illness
Mongolian:
ᠳ᠋ᠢᠶᠠᠭᠠᠨᠣᠽ
(diyaɣanoz)
— identification of the nature and cause of an illness
Norman:
dgiag'nose
— identification of the nature and cause of an illness
Norwegian Bokmål:
diagnose
— identification of the nature and cause of an illness
Norwegian Nynorsk:
diagnose
— identification of the nature and cause of an illness
Pashto:
تشخيص
(tašxis)
— identification of the nature and cause of an illness
Dari:
تَشْخِیص
(tašxīs)
— identification of the nature and cause of an illness
Iranian Persian:
تَشْخیص
(tašxis)
— identification of the nature and cause of an illness
Polish:
diagnoza
— identification of the nature and cause of an illness
Polish:
rozpoznanie
— identification of the nature and cause of an illness
Portuguese:
diagnóstico
— identification of the nature and cause of an illness
Romanian:
diagnoză
— identification of the nature and cause of an illness
Romanian:
diagnostic
— identification of the nature and cause of an illness
Russian:
диа́гноз
(diágnoz)
— identification of the nature and cause of an illness
Russian:
диагно́стика
(diagnóstika)
— identification of the nature and cause of an illness
Serbo-Croatian:
дијагно́за
— identification of the nature and cause of an illness
Serbo-Croatian:
dijagnóza
— identification of the nature and cause of an illness
Slovak:
diagnóza
— identification of the nature and cause of an illness
Slovene:
diagnoza
— identification of the nature and cause of an illness
Spanish:
diagnóstico
— identification of the nature and cause of an illness
Spanish:
diagnosis
— identification of the nature and cause of an illness
Swedish:
diagnos
— identification of the nature and cause of an illness
Tagalog:
suring-aral
— identification of the nature and cause of an illness
Tajik:
ташхис
(tašxis)
— identification of the nature and cause of an illness
Thai:
การวินิจฉัย
(gaan-wí-nít-chǎi)
— identification of the nature and cause of an illness
Turkish:
tanı
— identification of the nature and cause of an illness
Turkish:
teşhis
— identification of the nature and cause of an illness
Turkmen:
diagnoz
— identification of the nature and cause of an illness
Ukrainian:
діа́гноз
(diáhnoz)
— identification of the nature and cause of an illness
Urdu:
تَشْخِیص
(taśxīs)
— identification of the nature and cause of an illness
Uyghur:
دىئاگنوز
(di'agnoz)
— identification of the nature and cause of an illness
Uzbek:
tashxis
— identification of the nature and cause of an illness
Uzbek:
diagnoz
— identification of the nature and cause of an illness
Vietnamese:
chẩn đoán
— identification of the nature and cause of an illness
German:
Diagnose
— identification of the nature and cause of something
Russian:
диа́гноз
(diágnoz)
— identification of the nature and cause of something
Serbo-Croatian:
дијагно́за
— identification of the nature and cause of something
Serbo-Croatian:
dijagnóza
— identification of the nature and cause of something
Spanish:
diagnosis
— identification of the nature and cause of something
Spanish:
diagnóstico
— identification of the nature and cause of something
Portuguese:
diagnose
— written description of a taxon