ethereal
ethe.re.al \i-'thir-e--*l\ \i-.thir-e--'al-*t-e-\ \i-'thir-e--*-le-\ aj 1a: of or relating to the upper regions 1b: CELESTIAL, HEAVENLY 2a: IMMATERIAL, IMPALPABLE 2b: marked by unusual delicacy and refinement 3: relating to, containing, or resembling a chemical ether - ethe.re.al.i.ty n