prog·​nos·​tic | \ präg-ˈnä-stik How to pronounce prognostic (audio) \

Definition of prognostic

 (Entry 1 of 2)

1 : something that foretells : portent



Definition of prognostic (Entry 2 of 2)

: of, relating to, or serving as ground for prognostication or a prognosis prognostic weather charts favorable prognostic signs

Examples of prognostic in a Sentence

Noun a prognostic of a global pandemic that turned out to be distressingly accurate
Recent Examples on the Web: Noun What is contained in this prognostic are rules or instructions by which to predict the very season, day, and hour of death coming to one who is sick, by the signs that are here set down. David Treuer, Harper's Magazine, 26 Oct. 2021 The prognostics became official after the 76ers rookie point guard was examined by Dr. Ben Kibler at the Medical Director of the Shoulder Center of Kentucky on Sunday. Keith Pompey,, 29 Oct. 2017 Recent Examples on the Web: Adjective The authors claim that their methodology works better than existing prognostic methods. Jonathan Vanian, Fortune, 18 Jan. 2022 And some clinicians question the prognostic value, noting that people may live with plaques in their brain and never develop symptoms. Tribune News Service, oregonlive, 25 Nov. 2021 Coronary artery calcification as a marker of subclinical coronary atherosclerosis detected by computed tomography can provide prognostic information when added to classical CV risk factors. Christos Varounis, Scientific American, 3 Nov. 2021 Dataset shifts occur when the data used to train machine learning models differs from the data the model uses to provide diagnostic, prognostic, or treatment advice. Seth Joseph, Forbes, 30 Sep. 2021 In their previous work, circulating DNA analysis had shown strong prognostic value. Elizabeth Cooney, STAT, 11 Sep. 2021 New clinical models, such as human challenge trials, can pick up where clinical trials leave off and enable the rapid development of prognostic efficacy data for many infectious diseases. Nicolas Noulin, Scientific American, 5 May 2021 One recent study found that a common genetic test used to assess breast cancer risk in patients — and identify candidates for adjuvant chemotherapy — has lower prognostic accuracy for Black patients. Casey Ross Reprints, STAT, 12 Feb. 2021 Rather than depicting a simple fork, with one route leading to death and the other to recovery, Covid-19’s prognostic map resembles a chaotic intersection. Alexander Zaitchik, The New Republic, 2 Feb. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prognostic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of prognostic


15th century, in the meaning defined at sense 1


15th century, in the meaning defined above

History and Etymology for prognostic


Middle English pronostique, from Middle French, from Latin prognosticum, from Greek prognōstikon, from neuter of prognōstikos foretelling, from progignōskein

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Cite this Entry

“Prognostic.” Dictionary, Merriam-Webster, Accessed 25 May. 2022.

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More Definitions for prognostic


prog·​nos·​tic | \ präg-ˈnäs-tik How to pronounce prognostic (audio) \

Medical Definition of prognostic

: of, relating to, or serving as ground for a prognosis a prognostic sign


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