an·​ti·​grav·​i·​ty | \ ˌan-tē-ˈgra-və-tē, ˌan-ˌtī- How to pronounce antigravity (audio) \

Definition of antigravity

 (Entry 1 of 2)

: reducing, canceling, or protecting against the effect of gravity



Definition of antigravity (Entry 2 of 2)

: a hypothetical effect resulting from cancellation or reduction of a gravitational field

Examples of antigravity in a Sentence

Recent Examples on the Web: Noun Leaks touting its potential to radically transform how people moved led to fevered speculation, including the theory that the Segway (code name: Ginger) was an antigravity device. David Z. Morris, Fortune, "The Segway rolls into the sunset," 23 June 2020 Its best feature, however, has to be its antigravity positioning, which customers say smoothly glides into a reclining position for ultimate comfort. Nicole Briese, USA TODAY, "5 of the best patio furniture deals you can get right now," 24 Apr. 2020 The discovery of antigravity would thus force upon us a choice between Newton’s law of inertia and Einstein’s equivalence principle. Scientific American, "Antiparticles Would Deliver Mortal Blow to Einstein’s Principle," 8 Apr. 2020 Another effect of this contextual antigravity is a new focus on the characters less as people than as types. Vinson Cunningham, The New Yorker, "Experiments with Context in “Betrayal” and “Eureka Day”," 9 Sep. 2019 On An Ionic Wind Back in 1928, the British Crown granted Thomas Townsend Brown a patent on an antigravity device that promised to revolutionize flight. Jonathon Keats, Discover Magazine, "The Origins of Flight, From Birds to Bugs to Planes," 21 June 2019 Also: the Houston Astros and the Houston Rockets, Space Camp, antigravity ballpoint pens, astronaut ice cream, the moonwalk, and Space Mountain. National Geographic, "Countdown to a new era inSpace," 17 June 2019 On the other hand, Hayward still can't run without assistance from an antigravity treadmill. Dakota Crawford, Indianapolis Star, "Brad Stevens on Gordon Hayward returning for playoffs: Maybe, 'just to mess with people'," 28 Mar. 2018 Sometimes, an antigravity treadmill is used to lessen body weight as legs are strengthened. Profootballdoc,, "Positive steps for Ryan Shazier," 4 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'antigravity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of antigravity


1944, in the meaning defined above


1949, in the meaning defined above

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The first known use of antigravity was in 1944

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Cite this Entry

“Antigravity.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2020.

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