Not belonging to the real world; unnatural; odd and unfamiliar.
Of, concerned with, or preoccupied with a different world than that of the tangible here and now, such as a heavenly, spiritual, or imaginary world.
Strange, enigmatic, or mysterious.
Ideal beyond the mundane.
Ridiculous, ludicrous, or outrageous.
Preternatural or supernatural.
Not of the earth; non-terrestrial.