ontology
noun
on·tol·o·gy
än-ˈtä-lə-jē 
1
: a branch of metaphysics concerned with the nature and relations of being
Ontology deals with abstract entities.
2
: a particular theory about the nature of being or the kinds of things that have existence
Examples of ontology in a Sentence
Recent Examples on the Web
Use Ontologies And Knowledge Graphs For Traceability Implementing an ontology ensures AI becomes more efficient and accurate, has fewer hallucinations, and comes with traceability.
—
Expert Panel®, Forbes.com, 19 Sep. 2025
The work in that book was surreal and stealthily philosophical—its opening poem was a fifteen-page meditation on the ontology of Popeye the Sailor Man—but impersonal.
—Alexandra Schwartz, New Yorker, 25 Aug. 2025
This time, Sumner elevated his speech to a higher level of abstraction to propound on the historical meaning and ontology of the Civil War.
—Zaakir Tameez
june 11, Literary Hub, 11 June 2025
See All Example Sentences for ontology
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Expert Panel®, Forbes.com, 19 Sep. 2025
The work in that book was surreal and stealthily philosophical—its opening poem was a fifteen-page meditation on the ontology of Popeye the Sailor Man—but impersonal.
—Alexandra Schwartz, New Yorker, 25 Aug. 2025
This time, Sumner elevated his speech to a higher level of abstraction to propound on the historical meaning and ontology of the Civil War.
—Zaakir Tameez
june 11, Literary Hub, 11 June 2025
See All Example Sentences for ontology
Cite this Entry
“Ontology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ontology. Accessed 30 Sep. 2025.
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