Definition of diagnose in English:


Syllabification: di·ag·nose
Pronunciation: /ˌdīəgˈnōs


[with object]
  • 1Identify the nature of (an illness or other problem) by examination of the symptoms: doctors diagnosed a rare and fatal liver disease
    More example sentences
    • Doctors usually diagnose the disease after studying the symptoms, and excluding other possible causes.
    • The surgeon diagnoses the problem by barium enema or a colonoscopy and schedules surgery.
    • Generally speaking, a team that includes both a speech therapist and surgeon working together best diagnoses these problems.
    identify, determine, distinguish, recognize, detect, pinpoint; self-diagnose, self-report
  • 1.1 (usually be diagnosed) Identify the nature of the medical condition of (someone): she was finally diagnosed as having epilepsy 20,000 men are diagnosed with skin cancer every year
    More example sentences
    • Would this woman have been given such advice if her unborn child was not diagnosed as having the condition?
    • Pollyanna was just six weeks old when she was diagnosed as having the condition.
    • George was diagnosed with the potentially deadly condition days after his second birthday.



More example sentences
  • Unlike cancer, CAD is readily preventable, diagnosable, treatable and even reversible.
  • Some violent offenders are not sociopathic or psychopathic, yet probably about 20 percent of the prison population is diagnosable as being psychopathic.
  • Studies indicate that more than 90 per cent of suicide victims have a diagnosable psychiatric illness such as depression.


mid 19th century: back-formation from diagnosis.

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