diagnosis

/daɪəɡˈnəʊsɪs/

diagnosis noun: the process of, or an instance of, identification of the nature and cause of a medical condition or illness.

Noun

diagnosis (countable and uncountable, plural diagnoses)

The process of, or an instance of, identification of the nature and cause of a medical condition or illness.
- Diagnosis is a challenging art informed by wide-ranging science.
- He was given the wrong treatment due to an erroneous diagnosis.
The process of, or an instance of, identification of the nature and cause of something (of any nature).
- Diagnosis is part of being an automotive mechanic.
- Her diagnosis of the current economic situation is that central banks are overcorrecting.
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.
- The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification.1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page viii

Verb

diagnosis

(nonstandard, proscribed, rare) Synonym of diagnose.
- Experienced mechanics can diagnosis the condition of machinery just by listening.2013, Donald A. Norman, The Design of Everyday Things
Synonyms:

diagnose

diagnosis meaning in Hindi, Tamil, Marathi and Urdu

diagnosis in Hindi

identification of the nature and cause of an illness: निदान nidān

diagnosis in Tamil

நோய் ஆய்வுறுதி, நோயறிதல், நோய் அறிதல், நோய் அறுதியீடு, நோய் நாடல், நோய் பகுப்பாய்தல்

diagnosis in Marathi

identification of the nature and cause of an illness: निदान nidān

diagnosis in Urdu

identification of the nature and cause of an illness: تَشْخِیص taśxīs

More languagesFewer languages

diagnosis in Bengali: রোগ নির্ণয়ের, রোগনিদান
diagnosis in Malayalam: രോഗനിർണ്ണയം, പ്രശ്നത്തെ അപഗ്രഥിക്കൽ, നിർധാരണം
diagnosis in Kannada: ಕುತ್ತದೊರೆತ, ವ್ಯಾಧಿ ನಿರ್ಣಯ, ರೋಗ ನಿಶ್ಚಯ, ರೋಗ ಲಕ್ಷಣ ನಿರೂಪಣೆ
diagnosis in Gujarati: નિદાન nidān
diagnosis in Pashto: تشخيص tašxis
diagnosis in Tagalog: suring-aral
diagnosis in Arabic: تَشْخِيص tašḵīṣ
diagnosis in Malay: diagnosis
diagnosis in Indonesian: diagnosis
diagnosis in Thai: การวินิจฉัย gaan-wí-nít-chǎi
diagnosis in Vietnamese: chẩn đoán

Examples of diagnosis in a sentence

The quick eye for effects, the clear diagnosis of men's minds, and the love of epigram.1887, Charles L. Reade, Compton Reade, Charles Reade, Dramatist, Novelist, Journalist: A Memoir:
My diagnosis of his character proved correct.1887, James Payn, Glow-worm tales:

All 40 example sentences with diagnosis

Synonyms of diagnosis

diagnose

Forms of diagnosis

plural	diagnoses

Plural of diagnosis: diagnoses

Origin of diagnosis

From Latin diagnōsis, from Ancient Greek διάγνωσις (diágnōsis), from διαγιγνώσκω (diagignṓskō, “to discern”), from διά (diá, “through”) + γιγνώσκω (gignṓskō, “to know”).

Phrases with diagnosis

diagnosis mills

Words that rhyme with diagnosis

48 more rhymesFewer rhymes

Questions about diagnosis

What does diagnosis mean?: Diagnosis means the process of, or an instance of, identification of the nature and cause of a medical condition or illness.
What is diagnosis in Hindi?: Diagnosis in Hindi is निदान (nidān). See Diagnosis meaning in Hindi.
How do you use diagnosis in a sentence?: The quick eye for effects, the clear diagnosis of men's minds, and the love of epigram.
What part of speech is diagnosis?: Diagnosis can be a noun or a verb.
How do you pronounce diagnosis?: Diagnosis is pronounced /daɪəɡˈnəʊsɪs/.
What is the plural of diagnosis?: The plural of diagnosis is diagnoses.

Words near diagnosis in the dictionary

Adapted from Wiktionary: diagnosis (page history and authors); diagnosis (Tamil Wiktionary) (page history and authors); diagnosis (Bengali Wiktionary) (page history and authors); diagnosis (Malayalam Wiktionary) (page history and authors); diagnosis (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-diagnosis.wav.

Cite this entry: “diagnosis.” Word.ws, https://word.ws/diagnosis. Based on Wiktionary, CC BY-SA 4.0.