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[weyt-lis] /ˈweɪt lɪs/
being without apparent weight, as a freely falling body or a body acted upon by a force that neutralizes gravitation.
Origin of weightless
First recorded in 1540-50; weight + -less
Related forms
weightlessly, adverb
weightlessness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for weightless
Contemporary Examples
Historical Examples
  • Since the power had been cut off, the ship was in free fall, and the men were weightless.

    Islands of Space John W Campbell
  • They made their second, 180-degree turnover while weightless.

    The Cosmic Computer Henry Beam Piper
  • Mryna was thrown against the ceiling—and she hung there, weightless.

    The Guardians Irving Cox
  • But obviously, since he was weightless, he was not on Deneb IV.

    A Place in the Sun C.H. Thames
  • "Maybe they'd be weightless, but they still wouldn't go up," I said.

    Double or Nothing Jack Sharkey
  • It moved with the weightless ease of an ancient dirigible on a still day.

    The Sword Frank Quattrocchi
  • It was as though we floated buoyantly, weightless, upon some swift stream.

    The Metal Monster A. Merritt
  • I also became a nameless, weightless, aimless grain of dust.

  • Across the room of the weightless room the hooded intruder was also clinging.

    Brigands of the Moon Ray Cummings
British Dictionary definitions for weightless


(of a body) having no actual weight; a state in which an object has no actual weight (because it is in space and unaffected by gravitational attraction) or no apparent weight (because the gravitational attraction equals the centripetal force and the object is in free fall)
  1. (of economic activity) based on the supply of information and ideas rather than trade in physical goods: the weightless economy
  2. (of a company) having very few physical assets: weightless dot.coms
Derived Forms
weightlessness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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