Alternative formsEdit


From Latin aetherius (of or pertaining to the ether, the sky, or the air or upper air; ethereal), from Ancient Greek αἰθέριος (aithérios, of or pertaining to the upper air; ethereal).



ethereal (comparative more ethereal, superlative most ethereal)

  1. Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; otherworldly.
    ethereal space ethereal regions
  2. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
    • 1733, [Alexander Pope], An Essay on Man. [], epistle I, London: Printed for J[ohn] Wilford, [], OCLC 960856019, lines 237–239, page 14:
      Vaſt chain of being ! which from God began, / Ethereal Eſſence, Spirit, Subſtance, Man, / Beaſt, Bird, Fiſh, Inſect ! [...]
    • 1834, Letitia Elizabeth Landon, Francesca Carrara, volume 1, page 3:
      Strange mystery of our nature, that those in whom genius developes itself in imagination, thus taking its most ethereal form, should yet be the most dependent on the opinions of others!
  3. Delicate, light and airy.
  4. (chemistry) To do with ether.
    an ethereal solution


Derived termsEdit