metaphysics
//ˌmɛtəˈfɪzɪks//
Noun
metaphysicsSingular
1
The branch of philosophy that examines the fundamental nature of reality, including the relationship between mind and matter, substance and attribute, and potentiality and actuality.
Metaphysics explores questions about the nature of existence and reality.
2
Abstract theory or speculation with no basis in reality or practical application.
His ideas about reforming the company are just metaphysics with no practical value.