diagnose
verb (used with object)
to determine the identity of (a disease, illness, etc.) by a medical examination.
diagnosed
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past participleof diagnose.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof diagnose.past tense
Used to describe completed actions or previous habitual actions.
diagnoseverb (used with object)to determine the identity of (a disease, illness, etc.) by a medical examination.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
John was 50 and working as a police surveillance trainer when he was diagnosed with cancer.
From BBC ● Oct. 27, 2026
Unable to run for a third term, Lula left the presidency and, shortly afterwards, was diagnosed with throat cancer.
From BBC ● Oct. 26, 2026
The 35-year-old from Essex was diagnosed with endometriosis 10 years ago.
From BBC ● Oct. 25, 2026
Together, these findings suggest that the immune system undergoes measurable changes many years before inflammatory bowel disease is diagnosed.
From Science Daily ● Oct. 24, 2026
He was diagnosed with a herniated disc, and the TCU coaches told him not to come to school until January, after he had had a chance to rehabilitate.
From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger
