Of or pertaining to metaphysics.
Being an adherent of the philosophy of metaphysics.
Immaterial, supersensual, not physical (more properly, "beyond" that which is physical).
Resembling or characteristic of the Spanish chivalric hero Don Quixote; possessed with or resulting from the desire to do noble and romantic deeds, without thought of realism and practicality; exceedingly idealistic.
A quixotic person or sentiment.