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[an-tee-grav-i-tee, an-tahy-] /ˌæn tiˈgræv ɪ ti, ˌæn taɪ-/
Physics. the antithesis of gravity; a hypothetical force by which a body of positive mass would repel a body of negative mass.
(not in technical use) a controllable force that can be made to act against the force of gravity.
(not in technical use) counteracting the force of gravity:
The antigravity drive in this spaceship will enable us to reach Polaris.
Origin of antigravity
First recorded in 1940-45; anti- + gravity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for antigravity
Historical Examples
  • Course you don't need much of a rocket when you have antigravity.

  • "antigravity," I croaked, though you couldn't have heard me two feet.

    The Night of the Long Knives Fritz Reuter Leiber
  • Like the radar he made out of a TV set and the antigravity and the atomic power plant he invented to run it all with.

  • But just then the plane took a sickening bounce, as if its antigravity had only started to operate within yards of the ground.

    The Night of the Long Knives Fritz Reuter Leiber
  • It's supposed to have antigravity powers, too, like whatever it was that took Superior up in the first place.

  • A rocket works against gravity, but they don't call that antigravity, do they?

    By Proxy Gordon Randall Garrett
  • Then we have to find out what's causing the rash of accidents that is holding up Dr. Theodore Nordred's antigravity project.

    Fifty Per Cent Prophet Gordon Randall Garrett

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