- Without sound#Noun|sound.
- Synonyms: noiseless, silent
- c. 1599, William Shakespeare, Julius Caesar (play), Act V, Scene 1,
- Cassius. […] for your words, they rob the Hybla bees,
- And leave them honeyless.
- Antony. Not stingless too.
- Brutus. O yes, and soundless too;
- For you have stol’n their buzzing, Antony,
- And very wisely threat before you sting.
- 1663, Robert Boyle, Some Considerations Touching the Usefulness of Experimental Naturall Philosophy, Oxford: Richard Davis, Essay 2, p. 49,
- The Psalmist observes, That the Heavens declare the glory of God: And indeed, they celebrate his Praises, though with a soundless Voice, yet with so loud a one […] to our intellectual Ears, that he scruples not to affirm, that There is no Speech nor Language where their voice is not heard […]
- 1797, Ann Radcliffe, The Italian (novel), London: T. Cadell Junior & W. Davies, Volume 2, Chapter 7, p. 225,
- The whole building, with its dark windows and soundless avenues, had an air strikingly forlorn and solitary.
- 1839, Edgar Allan Poe, “The Fall of the House of Usher” in Burton's Gentleman's Magazine, Volume 5, September 1839, p. 145,
- During the whole of a dull, dark, and soundless day in the autumn of the year, when the clouds hang oppressively low in the heavens, I had been passing alone, on horseback, through a singularly dreary tract of country […]
- 1896, A. E. Housman, A Shropshire Lad, London: Grant Richards, 1898, XXXVIII, p. 55,
- The names of men blow soundless by,
- My fellows’ and my own.
- Not capable of being sound#Verb|sounded or fathom#Verb|fathomed.
- Synonyms: bottomless, depthless, fathomless, unfathomable
- 1609, William Shakespeare, Shakespeare's sonnets,
- Your shallowest help will hold me up afloat,
- Whilst he upon your soundless deep doth ride;
- 1614, Christopher Brooke, The Ghost of Richard the Third, London: L. Lisle, “The Legend of Richard the Third,”
- Nor Wits, nor Chronicles could ere containe,
- The Hell-deepe Reaches, of my soundlesse Braine.
- 1881, Walt Whitman, “Out from Behind This Mask (To Confront a Portrait)” in Leaves of Grass, London: David Bogue, p. 296,
- This heart’s geography’s map, this limitless small continent, this soundless sea;
- German: lautlos, geräuschlos
- Portuguese: insonoro, insonora
- Russian: беззву́чный
- Spanish: insonoro, insonora