English Reference

Word

diagnoses

Phoneticsdi·ag·noses

/ˌdaɪəɡˈnoʊsiz/

Definition

n. the plural form of diagnosis. It refers to more than one expert opinion about the cause of an illness or a problem.

n. the plural form of 'diagnosis'; refers to the identification of the nature of an illness or other problem by examination of the symptoms.

Examples

“The doctors gave two different diagnoses for his back pain.”

“After reviewing the test results, the specialist confirmed that the previous diagnoses were incorrect.”

“The complexity of the patient's symptoms led to several conflicting diagnoses before a rare genetic condition was finally identified by the research team.”

Examples

simple

“The doctors gave two different diagnoses for his back pain.”

contextual

“After reviewing the test results, the specialist confirmed that the previous diagnoses were incorrect.”

complex

“The complexity of the patient's symptoms led to several conflicting diagnoses before a rare genetic condition was finally identified by the research team.”

Usage

The plural of 'diagnosis'. It follows the Greek-style pluralisation where the '-is' ending changes to '-es'.

Pitfall

The diagnoses is clear.

The diagnoses are clear.

Diagnoses is the plural form and requires a plural verb.

Real-World Examples

Common in health and science writing

“Cancer diagnoses have been missed or delayed because of a system designed for GPs to seek specialist advice before referring patients to hospital, according to an investigation.”
The Guardian · 18 Aug 2026
“It may be that autism diagnoses have increased - but Karavolos argues that's because people need to access the right support.”
BBC News · 12 Aug 2026
“Past work shows that enrolling in a hospital-owned plan tends to increase a person’s number of diagnoses.”
The Conversation · 18 Aug 2026
“Poor quality diagnoses have created “a double stigma” for many people with the condition.”
The Guardian · 18 Aug 2026

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

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English Reference