metaphysical

As an adjective metaphysical

is of or pertaining to metaphysics.

As a noun philosophy is

(uncountable|originally) the love of wisdom.

As a verb philosophy is

to philosophize.

As adjectives the difference between metaphysical and mystical

is that metaphysical is of or pertaining to metaphysics while mystical is relating to mystics or mysticism.

As an adjective metaphysical

is of or pertaining to metaphysics.

As a proper noun diamond is

of modern usage, from the name of the gem.

As adjectives the difference between metaphysical and conceptual

is that metaphysical is of or pertaining to metaphysics while conceptual is of, or relating to concepts or mental conception; existing in the imagination.

As adjectives the difference between spiritual and metaphysical

is that spiritual is of or pertaining to the spirit or the soul while metaphysical is of or pertaining to metaphysics.

As a noun spiritual

is a Christian religious song, especially one in an African-American style, or a similar non-religious song.

Metaphysical is a synonym of philosophical.

As adjectives the difference between metaphysical and philosophical

is that metaphysical is of or pertaining to metaphysics while philosophical is of, or pertaining to, philosophy.

As a noun metaphysician

is (philosophy) a philosopher who specializes in the scholarly study of metaphysics.

As an adjective metaphysical is

of or pertaining to metaphysics.

As a noun epistemology

is (uncountable) the branch of philosophy dealing with the study of knowledge; theory of knowledge, asking such questions as "what is knowledge?", "how is knowledge acquired?", "what do people know?", "how do we know what we know?".

As an adjective metaphysical is

of or pertaining to metaphysics.

Metaphysical is a synonym of fundamental.

As adjectives the difference between metaphysical and fundamental

is that metaphysical is of or pertaining to metaphysics while fundamental is pertaining to the foundation or basis; serving for the foundation hence: essential, as an element, principle, or law; important; original; elementary.

As a noun fundamental is

a leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of linear algebra.

As adjectives the difference between transcendent and metaphysical

is that transcendent is surpassing usual limits while metaphysical is of or pertaining to metaphysics.

As a noun transcendent

is that which surpasses or is supereminent; something excellent.