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unknowable
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Unknowable
Unknowablenounphilosophy the ultimate reality that underlies all phenomena but cannot be known
unknowable
Americanadjective
noun
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something that is unknowable.
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the Unknowable, the postulated reality lying behind all phenomena but not cognizable by any of the processes by which the mind cognizes phenomenal objects.
adjective
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incapable of being known or understood
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beyond human understanding
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( as noun )
the unknowable
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noun
Other Word Forms
Etymology
Origin of unknowable
Middle English word dating back to 1325–75; see origin at un- 1, knowable
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.
See Examples For:
Its chief ambition is endurance: it must survive transit, uncertain demand and an unknowable stretch between gates.
From Salon ● Jul. 30, 2026
One of his colleagues' frustrations with him has always been that he seems unknowable.
From BBC ● Jun. 20, 2026
Because future healthcare costs are unknowable, the best you can do is stress-test your plan against a range of scenarios.
From MarketWatch ● Jun. 15, 2026
Large language models are an immature technology, and engineering improvements for specialized data centers should be expected—but how big they are and when they come is unknowable in advance.
From The Wall Street Journal ● May 17, 2026
Well, thought Ishmael, bending over his typewriter, his fingertips poised just above the keys: the palpitations of Kabuo Miyamoto’s heart were unknowable finally.
From "Snow Falling on Cedars: A Novel" by David Guterson
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Unknowable and terrifying, the workings of the mind can feel like a supernatural force.
From Los Angeles Times ● Jan. 9, 2022
Unknowable today is whether E.U. policymakers will stick with their program or undercut the policy when prices start to rise, as they have in the past.
From Washington Post ● Jul. 18, 2021
Unknowable — so no need to judge too harshly.
From Washington Post ● Jan. 13, 2017
Hardoon's topic--tonight and every Thursday, to packed classes--is how to align oneself with "the Light," the never-ending mystical emanation of the Unknowable God, Ein Sof.
From Time Magazine Archive
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We see no difference between the Unknowable of Herbert Spencer and the Unsearchable of Zophar in the book of Job.
From The Eliminator; or, Skeleton Keys to Sacerdotal Secrets by Richard B. Westbrook
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.