Definition of DIAGNOSIS (original) (raw)
1
a
: the art or act of identifying a disease from its signs and symptoms
b
: the decision reached by diagnosis
2
a
: investigation or analysis of the cause or nature of a condition, situation, or problem
diagnosis of engine trouble
b
: a statement or conclusion from such an analysis
3
biology : a concise technical description of a taxon
Synonyms
Examples of diagnosis in a Sentence
The unusual combination of symptoms made accurate diagnosis difficult. She is an expert in the diagnosis and treatment of eye diseases. The diagnosis was a mild concussion. His doctor made an initial diagnosis of pneumonia. The committee published its diagnosis of the problems affecting urban schools.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Seeking an autism diagnosis for a child can take a long time. —Evan Bush, NBC News, 6 Feb. 2025 Still wanted to blame family members for his diagnosis that came so late in his life, like his late mother. —
Pj Green, Kansas City Star, 5 Feb. 2025 His wife Emma Heming Willis later confirmed his diagnosis with frontotemporal dementia in February 2023. —
Escher Walcott, People.com, 4 Feb. 2025 Willis and Demi Moore’s eldest daughter, Rumer, gave an update on her father since his frontotemporal dementia diagnosis was announced nearly three years ago. —
Stephanie Giang-Paunon, Fox News, 4 Feb. 2025 See all Example Sentences for diagnosis
Word History
Etymology
New Latin, from Greek diagnōsis, from diagignōskein to distinguish, from dia- + gignōskein to know — more at know
First Known Use
1634, in the meaning defined at sense 1a
Time Traveler
The first known use of diagnosis was in 1634
Dictionary Entries Near diagnosis
Cite this Entry
“Diagnosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diagnosis. Accessed 12 Feb. 2025.
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Last Updated: 9 Feb 2025 - Updated example sentences
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