antigravity

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

/ ˌæn tiˈgræv ɪ ti, ˌæn taɪ- /

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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.

QUIZZES

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”

Question 1 of 7

The rainy weather could not ________ my elated spirits on my graduation day.

First recorded in 1940–45; anti- + gravity

Frese said rehab has gone well and that Reese has begun light running on an antigravity treadmill.
Brenda Frese pulls even with Chris Weller atop Terps’ all-time wins list|Kareem Copeland|February 5, 2021|Washington Post
It's supposed to have antigravity powers, too, like whatever it was that took Superior up in the first place.
And Then the Town Took Off|Richard Wilson
A rocket works against gravity, but they don't call that antigravity, do they?
By Proxy|Gordon Randall Garrett
I almost got sick—so close to it I started telling myself it must be something antigravity did to your stomach.
The Night of the Long Knives|Fritz Reuter Leiber

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
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.
We Didn't Do Anything Wrong, Hardly|Roger Kuykendall