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
3. (not in technical use)
counteracting the force of gravity
The antigravity drive in this spaceship will enable us to reach Polaris
Word origin
[1940–45; anti- + gravity]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: airlift, blockbuster, debrief, set-aside, whiteoutanti- is a prefix meaning “against,” “opposite of,” “antiparticle of,” used in the formationof compound words (anticline); used freely in combination with elements of any origin (antibody; antifreeze; antiknock; antilepton)
Examples of 'antigravity' in a sentence
antigravity
How about antigravity, a favorite of science fiction writers for decades?
Smithsonian (2010)
You might think you should give up here, but antigravity is also theoretically possible.
Times, Sunday Times (2012)
Similarly, some quantum phenomena produce negative energy — effectively antigravity.
Times, Sunday Times (2012)
Next comes the antigravity sensation of walking on sandstone.
canada.com (2008)
The discovery that antimatter produces antigravity with similarly 'repulsive' properties could help solve this puzzle.
Times, Sunday Times (2013)
Futuristic kit like the private hospital's antigravity treadmill is the stuff of dreams for hobbled athletes.