ENGLISH
REFERENCE

diagnoses

n. plural-only
C1 Advanced US //ˌdaɪəɡˈnoʊsiz// di·ag·noses

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.


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.

Synonyms
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.

© 2026 English Reference