prognostic

1 of 2

noun

1
: something that foretells : portent
2

prognostic

2 of 2

adjective

: 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
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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

Word History

Etymology

Noun

Middle English pronostik, pronostique, borrowed from Old French & Late Latin; Old French pronostique, borrowed from Late Latin prognōsticum (Latin as plural prognōstica "signs predicting what sort of weather is coming," used as the title of Cicero's translation of a work on celestial phenomena by the Greek poet Aratus), borrowed from Greek prognōstikón, noun derivative from neuter of prognōstikós "knowing beforehand, prescient" — more at prognostic entry 2

Adjective

Middle English pronostik "foreshadowing," borrowed from Late Latin prognōsticus "foreshadowing, of a prognosis," borrowed from Greek prognōstikós "knowing beforehand, prescient," derivative of progignṓskein "to recognize in advance, foresee, have prior knowledge of" (after gnōstikós "of knowledge, cognitive") — more at prognosis, gnostic

First Known Use

Noun

15th century, in the meaning defined at sense 1

Adjective

15th century, in the meaning defined above

Time Traveler
The first known use of prognostic was in the 15th century

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Cite this Entry

“Prognostic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prognostic. Accessed 27 Mar. 2025.

Medical Definition

prognostic

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