Word.ws English Dictionary

Plural of diagnosis

irregular plural

The plural of diagnosis is diagnoses.

Forms of diagnosis

Singulardiagnosis /daɪəɡˈnəʊsɪs/
Pluraldiagnoses /daɪəɡˈnəʊsiz/
Countablecountable and uncountable

Diagnoses in a sentence

  • Her diagnoses include type 2 diabetes mellitus, primary hypertension, diabetic retinopathy, and generalized anxiety disorder.
  • In 1995, 2% of schizophrenia diagnoses in the country were associated with cannabis use disorder.2021 July 22, Katie Hunt, “Schizophrenia linked to marijuana use disorder is on the rise, study finds”, in CNN
  • For some presumptive diagnoses, empirical antibiotic therapy begins immediately, whereas specific antibiotic therapy must await the results of the culture and sensitivity test.From the entry empirical
  • Pigmented villonodular synovitis, localized nodular synovitis, and complex ganglion were suggested as possible differential diagnoses.2015 July 22, Michiro Yamamoto et al., “Secondary aneurysmal bone cyst in the distal humerus after resection of intra-articular nodular…. From the entry villonodular
  • The most insightful diagnoses and deepest modes of healing likewise operate hologrammatically.2001, Richard Grossinger, Planet Medicine: Origins, page 534. From the entry hologrammatically

Meaning of diagnosis

  1. noun The process of, or an instance of, identification of the nature and cause of a medical condition or illness.
  2. noun The process of, or an instance of, identification of the nature and cause of something (of any nature).
  3. noun 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.

Full definition of diagnosis

Nouns ending in -is: plural -es

Questions about the plural of diagnosis

What is the plural of diagnosis?
The plural of diagnosis is diagnoses.
Is diagnosis countable?
Diagnosis is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: diagnosis (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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