ontological
Americanadjective
Other Word Forms
Derived Forms
Etymology
Origin of ontological
First recorded in 1700–10; ontolog(y) ( def. ) + -ical ( def. )
Explanation
Things that have to do with the nature of being are ontological, like your ontological question about the Loch Ness Monster — do we have to have proof in order for something to exist? The study of being, is called ontology, so an ontological argument might investigate whether God — or people, for that matter — really exist. Are we real or just an imagined phenomenon? How do we know we aren't just characters in our creator's mind? These are heavy questions — philosophers including Aristotle, Parmenides, Descartes, Hume, Kant have all weighed in on the ontological question of “what can we be certain exists?”
Vocabulary lists containing ontological
The Fault in Our Stars
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Frankly in Love
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City of Bones
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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.
With spacetime, it's applied uncritically to a mathematical description of happenings -- turning a model into an ontological theory on the nature of being.
From Science Daily • Nov. 2, 2025
Whatever Ramona wanted in the car, she’s experiencing ontological buyer’s remorse in the now.
From Salon • Mar. 31, 2025
The premise, and what’s done with it, paint “Laid” into a moral and ontological corner, which it addresses temporarily by literally opening a door.
From Los Angeles Times • Dec. 18, 2024
It is worth considering how this feeling of ontological convergence—our smartphones as extensions of our bodies—was only exacerbated during periods of lockdown, quarantine, and working remotely.
From Slate • Jan. 1, 2023
The first is the epistemological problem, or the problem offered by human knowledge—its essential nature, its fixed limitations, if such there be, and its ontological validity.
From International Congress of Arts and Science, Volume I Philosophy and Metaphysics by Various
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.
