weightless

[ weyt-lis ]
See synonyms for: weightlessweightlessness on Thesaurus.com

adjective
  1. being without apparent weight, as a freely falling body or a body acted upon by a force that neutralizes gravitation.

Origin of weightless

1
First recorded in 1540–50; weight + -less

Other words from weightless

  • weight·less·ly, adverb
  • weight·less·ness, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use weightless in a sentence

  • His head sagged, and had it not been for the weightlessness he would have fallen forward onto the drone control.

    The Scarlet Lake Mystery | Harold Leland Goodwin
  • There was an instant of weightlessness, and then their weight reversed as the A-G drive strove to slow down the ship.

    The Secret of the Ninth Planet | Donald Allen Wollheim
  • You'd think the passengers would enjoy a little weightlessness occasionally—especially the fat ones—but they don't.

    Spacehounds of IPC | Edward Elmer Smith
  • That's one advantage of weightlessness—you can lie down standing on your head, and go to sleep and like it.

    Spacehounds of IPC | Edward Elmer Smith

British Dictionary definitions for weightless

weightless

/ (ˈweɪtləs) /


adjective
  1. (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)

  2. commerce

    • (of economic activity) based on the supply of information and ideas rather than trade in physical goods: the weightless economy

    • (of a company) having very few physical assets: weightless dot.coms

Derived forms of weightless

  • 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