英和和英

別の表記

• aethereal, aetherial
• æthereal, ætherial (archaic)
• æthereall, ætheriall (obsolete)

語源

From Latin aetherius (“of or pertaining to the ether, the sky, Heaven or the air or upper air”), from Ancient Greek αἰθέριος (aithérios, “of or pertaining to the upper air”). By surface analysis, ether +‎ -ial.

発音

• (Received Pronunciation) IPA: /ɪˈθɪə.ɹɪ.əl/
• (General American) IPA: /ɪˈθɪɚ.i.əl/, /iˈθɪɚ.i.əl/
• (stressed) (General Australian) IPA: /iˈθɪə̯.ri.əl/
• (unstressed) (General Australian) IPA: /əˈθɪə̯.ri.əl/
• ハイフネーション: ether‧eal

形容詞

ethereal (comparative more ethereal, superlative most ethereal)

1. Pertaining to the presupposition of an invisible air-like element permeating all of space, or to the higher regions beyond the earth or beyond the atmosphere.

   Synonyms: aetheric, etheric

   Antonym: earthly

   Near-synonyms: aereous, celestial

   ethereal space

   ethereal regions

   • 1667, John Milton, “Book VIII”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC, lines 1282–1284:

     Since to part, / Go heavenly Gueſt, Ethereal Meſſenger, / Sent from whoſe ſovran goodneſs I adore.

   • 1837, L[etitia] E[lizabeth] L[andon], Ethel Churchill: Or, The Two Brides. […], volume II, London: Henry Colburn, […], →OCLC, pages 25–26:

     The fanciful fables of fairy land are but allegories of the young poet's mind when the sweet spell is upon him. Some slight thing calls up the visionary world, and all the outward and actual is for the time forgotten. It is a fever ethereal and lovely; but, like all other fevers, leaving behind weakness and exhaustion.

   • 1862, Henry David Thoreau, “Walking”, in The Atlantic Monthly‎, volume 9, number 56:

     I trust that we shall be more imaginative, that our thoughts will be clearer, fresher, and more ethereal, as our sky, […]

   • 1885, Arthur Conan Doyle, The Man From Archangel‎:

     She was very young—at the most nineteen, with a pale somewhat refined face, yellow hair, merry blue eyes, and shining teeth. Her beauty was of an ethereal type.

   • 1893–1897 (date written), Robert Louis Stevenson, “A Tale of a Lion Rampant”, in St. Ives: Being the Adventures of a French Prisoner in England, New York, N.Y.: Charles Scribner’s Sons, published 1897, →OCLC, page 6:

     Our visitors, upon the whole, were not much to boast of; and yet, sitting in a corner and very much ashamed of myself and my absurd appearance, I have again and again tasted the finest, the rarest, and the most ethereal pleasures in a glance of an eye that I should never see again—and never wanted to.

   • 1941, George Ryley Scott, Phallic Worship: A History of Sex and Sex Rites in Relation to the Religions of All Races from Antiquity to the Present Day, London: T. Werner Laurie, page 25:

     Virgil described the ethereal process as expanding itself through the universe, and giving life and motion to the inhabitants of earth, water, and air, by a participation of its own essence, each particle of which returned to its native source at the dissolution of the body which it animated.

2. Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts.

   Antonyms: corporeal, corporal, earthly

   Near-synonyms: celestial, incorporeal, insubstantial, intangible, spiritual, uncorporeal, mystical, otherworldly, transcendental; see also Thesaurus:cosmic

   • 1687, [John Dryden], “[The First Part]”, in The Hind and the Panther. A Poem, in Three Parts, 2nd edition, London: […] Jacob Tonson […], →OCLC, page 22:

     Sure he preſum'd of praiſe, vvho came to ſtock / Th' etherial paſtures vvith ſo fair a flock; / Burniſh'd, and bat'ning on their food, to ſhovv / The diligence of carefull herds belovv.

3. Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.

   Synonyms: ethereous, delicate, light; see also Thesaurus:gaseous, Thesaurus:insubstantial, Thesaurus:subtle

   • 1733, [Alexander Pope], An Essay on Man. […], epistle I, London: […] J[ohn] Wilford, […], →OCLC, page 14, lines 237–239:

     Vaſt chain of being ! which from God began, / Ethereal Eſſence, Spirit, Subſtance, Man, / Beaſt, Bird, Fiſh, Inſect ! [...]

   • 1834, L[etitia] E[lizabeth] L[andon], chapter I, in Francesca Carrara. […], volume I, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, 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!

   • 1852 July, Herman Melville, “Book XXI. Pierre Immaturely Attempts a Mature Book. Tidings from the Meadows. Plinlimmon.”, in Pierre: Or, The Ambiguities, New York, N.Y.: Harper & Brothers, […], →OCLC:

     He did not see […] that already, in the incipiency of his work, the heavy unmalleable element of mere book-knowledge would not congenially weld with the wide fluidness and ethereal airiness of spontaneous creative thought.

   • 1876, Herman Melville, “Canto XXII. Of Rama.”, in Walter E. Bezanson, editor, Clarel: A Poem and Pilgrimage in the Holy Land […], New York, N.Y.: Hendricks House, published 1960, →OCLC, part I (Jerusalem), page 108, lines 17–19:

     The innocent if lawless elf, / Ethereal in virginity, / Retains the consciousness of self.

   • 1915, Virginia Woolf, chapter XII, in The Voyage Out, London: Duckworth & Co., […], →OCLC:

     The hall, when emptied of its furniture, brilliantly lit, adorned with flowers whose scent tinged the air, presented a wonderful appearance of ethereal gaiety.

   • 2025 April 22, Joe Minihane, “24 of the world’s most unusual landscapes”, in CNN‎, archived from the original on 19 August 2025:

     Close to the border with Eritrea, its ethereal, Martian landscape sits within the Danakil Depression.

派生語

名詞

ethereal (uncountable)

1. Ellipsis of ethereal wave (“music genre”).

Further reading

• “ethereal”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.