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antigravity

[ an-tee-grav-i-tee, an-tahy- ]

noun

  1. Physics. the antithesis of gravity; a hypothetical force by which a body of positive mass would repel a body of negative mass.
  2. (not in technical use) a controllable force that can be made to act against the force of gravity.


adjective

  1. (not in technical use) counteracting the force of gravity:

    The antigravity drive in this spaceship will enable us to reach Polaris.

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Word History and Origins

Origin of antigravity1

First recorded in 1940–45; anti- + gravity

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Example Sentences

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?

I almost got sick—so close to it I started telling myself it must be something antigravity did to your stomach.

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

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.

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antigovernmentanti-G suit