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.
Bonino was diagnosed in 2015 with pulmonary microcytoma -- a particularly aggressive lung cancer -- receiving the all clear in 2023.
From Barron's ● Sep. 11, 2026
A Department of Health and Social Care spokesperson says the National Cancer Plan "will help more people get diagnosed earlier and begin treatment sooner".
From BBC ● Sep. 10, 2026
He was eventually diagnosed with an annular tear and given two possible recovery timelines.
From Los Angeles Times ● Sep. 9, 2026
Colorectal cancer incidence among Americans under age 49 is increasing by about 3 percent per year, and about 83,000 Americans between ages 20 and 39 are diagnosed with cancer annually.
From Slate ● Sep. 9, 2026
He’d been diagnosed with tuberculosis and was sick a lot less time than Uncle Clyde was.
From "Betty Before X" by Ilyasah Shabazz and Renée Watson
