(comparative more ethereal, superlative most ethereal)
- Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; otherworldly; as, ethereal space; ethereal regions.
- Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
- Delicate, light and airy.
From Latin aetherius (“of or pertaining to the ether, the sky, or the air or upper air; ethereal”), from Ancient Greek αἰθέριος (aitherios, “of or pertaining to the upper air; ethereal”).