verb · 4 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.
UK:/ˈdʌɪ.əɡˌnəʊz/
UK:/ˌdʌɪ.əɡˈnəʊz/
US:/ˈdaɪ.əɡˌnoʊs/
US:/ˌdaɪ.əɡˈnoʊs/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -əʊs
CMU ARPABET:D AY2 AH0 G N OW1 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
verb
Meaning 1
To determine which disease is causing a sick person's signs and symptoms; to find the diagnosis.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To determine the cause of a problem.
Definition source: English Wiktionary via Wiktextract
Usage: broadly
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
determine or distinguish the nature of a problem or an illness through a diagnostic analysis
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
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 diagnosisbf. English diagnose Back-formation from diagnosis. Compare also sclerose (verb).
Across languages
Translations
44 source translations are retained for this English entry.
Arabic:
شَخَّصَ
(šaḵḵaṣa)
— determine the root cause of
Armenian:
ախտորոշել
(axtorošel)
— determine the root cause of
Asturian:
diagnosticar
— determine the root cause of
Belarusian:
дыягнастава́ць
(dyjahnastavácʹ)
— determine the root cause of
Bulgarian:
диагностици́рам
(diagnosticíram)
— determine the root cause of
Catalan:
diagnosticar
— determine the root cause of
Chinese Mandarin:
診斷 /诊断
(zhěnduàn)
— determine the root cause of
Cornish:
diagnosa
— determine the root cause of
Czech:
diagnostikovat
— determine the root cause of
Danish:
diagnosticere
— determine the root cause of
Dutch:
diagnosticeren
— determine the root cause of
Esperanto:
diagnozi
— determine the root cause of
Finnish:
diagnosoida
— determine the root cause of
French:
diagnostiquer
— determine the root cause of
Galician:
diagnosticar
— determine the root cause of
German:
diagnostizieren
— determine the root cause of
Greek:
διαγιγνώσκω
(diagignósko)
— determine the root cause of
Ancient Greek:
διαγιγνώσκω
(diagignṓskō)
— determine the root cause of
Hebrew:
אבחן
(ivkhén)
— determine the root cause of
Hungarian:
diagnosztizál
— determine the root cause of
Italian:
diagnosticare
— determine the root cause of
Japanese:
診断する
(shindan suru)
— determine the root cause of
Kazakh:
диагностикалау
(diagnostikalau)
— determine the root cause of
Kazakh:
диагноз қою
(diagnoz qoü)
— determine the root cause of
Kazakh:
анықтау
(anyqtau)
— determine the root cause of
Khmer:
រោគវិនិច្ឆ័យ
(rookvinicchay)
— determine the root cause of
Korean:
진단
(jindan)
— determine the root cause of
Latin:
diagnōsticō
— determine the root cause of
Latvian:
diagnosticēt
— determine the root cause of
Luxembourgish:
diagnostizéieren
— determine the root cause of
Māori:
tautuhi
— determine the root cause of
Māori:
tautohu
— determine the root cause of
Mongolian:
оношлох
(onošlox)
— determine the root cause of
Norman:
dgiag'noser
— determine the root cause of
Polish:
diagnozować
— determine the root cause of
Portuguese:
diagnosticar
— determine the root cause of
Romanian:
diagnostica
— determine the root cause of
Russian:
диагности́ровать
(diagnostírovatʹ)
— determine the root cause of
Spanish:
diagnosticar
— determine the root cause of
Swedish:
diagnostisera
— determine the root cause of
Thai:
วินิจฉัย
(wí-nít-chǎi)
— determine the root cause of
Ukrainian:
діагностува́ти
(diahnostuváty)
— determine the root cause of
Urdu:
تشخیص کرنا
(taśxīs karnā)
— determine the root cause of
Vietnamese:
chẩn đoán
— determine the root cause of