English Reference

Word

ontological

Phoneticson·to·log·i·cal

US/ˌɑntəˈɫɑdʒɪkəɫ/

UK/ˌɒntəlˈɒdʒɪkəl/

Definition

adj. relating to what kinds of things exist and how they are categorized in the world.

adj. relating to ontology, the philosophical study of being, existence, and the categorical taxonomy of entities; in computer science, pertaining to formal knowledge structures.

Examples

“Questions about whether virtual characters truly exist are ontological debates.”

“Building an enterprise knowledge graph requires making clear ontological commitments about real-world concepts.”

“When an agentic system refines its world model, it must maintain ontological coherence across disparate operational contexts.”

Examples

simple

“Questions about whether virtual characters truly exist are ontological debates.”

contextual

“Building an enterprise knowledge graph requires making clear ontological commitments about real-world concepts.”

complex

“When an agentic system refines its world model, it must maintain ontological coherence across disparate operational contexts.”

Real-World Examples

“In order to fully grasp the meaning of such conceptions, ontological approaches exhort anthropologists to reconceptualize their own notions in order to understand people’s statements.”
Humanities and Social Sciences Communications · 30 Sept 2026
“An ontology, when you get right down to it, can be thought of as the components of a language: its core concepts and relationships, grammar, rules and restrictions, and even its mappings to other languages, providing an ontological framework for AI.”
ontologist.substack.com · 4 Jan 2024
“Our human way of being is permanently being opened to that which lies beyond it. This is an ontological fact that, if recognized, can allow us to tap these other kinds of reals in order to develop another kind of ethical practice in the Anthropocene, one that could include, in some way or another, those many other kinds of beings that lie beyond us and with whom we make our lives.”
Society for Cultural Anthropology · 13 Jan 2014
“The proof, which would come to be called the ontological argument, purports to demonstrate the existence of God from ideas alone: the concept of a God that doesn’t exist wouldn’t be much of a God.”
The New York Times · 23 Aug 2009

Etymology

From Modern Latin ontologia, coined in 1606 by Jacob Lorhard from ancient Greek onto- (stem of on, 'being, existing') + -logia ('study, discourse').

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ontologicalAdjectiveontologyNoun

Domains

AIComputing

This entry

Level
C2 · Proficiency
Frequency
Occasional
Updated

Scan code

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English Reference