metaphysics

As a noun metaphysics

is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ).

As an adjective undefined is

lacking a definition or value.

As nouns the difference between metaphysics and empiricism

is that metaphysics is the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens) while empiricism is a pursuit of knowledge purely through experience, especially by means of observation and sometimes by experimentation.

As nouns the difference between idealism and metaphysics

is that idealism is the property of a person of having high ideals that are usually unrealizable or at odds with practical life while metaphysics is the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens).

As nouns the difference between metaphysics and spirituality

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while spirituality is the quality or state of being spiritual.

As a noun metaphysics

is the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens).

As an adjective empirical is

pertaining to or based on experience.

As nouns the difference between metaphysics and reality

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while reality is the state of being actual or real.

As nouns the difference between metaphysics and materialism

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while materialism is constant concern over material possessions and wealth; a great or excessive regard for worldly concerns.

As nouns the difference between metaphysics and null

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while null is zero, nil; the cardinal number before einn.

As nouns the difference between metaphysics and adjective

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while adjective is (grammar) a word that modifies a noun or describes a noun’s referent.

As an adjective adjective is

(obsolete) incapable of independent function.

As a verb adjective is

to make an adjective of; to form or convert into an adjective.

As nouns the difference between metaphysics and adjectives

is that metaphysics is (philosophy|uncountable) the branch of philosophy which studies fundamental principles intended to describe or explain all that is, and which are not themselves explained by anything more fundamental; the study of first principles; the study of being insofar as it is being (ens in quantum ens ) while adjectives is .