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 formsweight·less·ly, adverbweight·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for weightlessness

levity, airiness, ethereality, floatability, weightlessness

Examples from the Web for weightlessness

Historical Examples of weightlessness

  • 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

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 goodsthe weightless economy
  2. (of a company) having very few physical assetsweightless dot.coms
Derived Formsweightlessness, 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

Word Origin and History for weightlessness

1884, from weight + -less + -ness.

Online Etymology Dictionary, © 2010 Douglas Harper