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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 weightlessness
Historical Examples
  • They jumped and came toward her, clumsily fighting the weightlessness.

    The Guardians Irving Cox
  • "I never could get used to this weightlessness," Georgi admitted.

    Voyage To Eternity Milton Lesser
  • There was that ghastly feeling of lunging forward to weightlessness.

    Space Tug Murray Leinster
  • The well padded suit encompassed him so gently there was no sense of pressure on his body to make up for the weightlessness.

    Far from Home J.A. Taylor
  • Before the man could fire again, Mryna swung down a side corridor, and at once the sensation of weightlessness overtook her.

    The Guardians Irving Cox
  • We endured the strangling thrust of acceleration, and then the weightlessness of just coasting on our built-up velocity.

    Stamped Caution Raymond Zinke Gallun
  • Now, as he struggled awkwardly with weightlessness, Temple called it his imagination.

    Voyage To Eternity Milton Lesser
  • As the men drifted in, Temple was amazed to see the progress they had made with weightlessness.

    Voyage To Eternity Milton Lesser
  • An order abolishing salutes in weightlessness followed shortly after.

    Space Tug Murray Leinster
  • It was a singularly uncomfortable sensation, on top of the discomfort of weightlessness.

    Operation: Outer Space

    William Fitzgerald Jenkins
British Dictionary definitions for weightlessness


(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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Word Origin and History for weightlessness

1884, from weight + -less + -ness.

Online Etymology Dictionary, © 2010 Douglas Harper
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