The hypothetical effect of reducing or canceling a gravitational field.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "antigravity" in a sentence
"At the far end of the room, hovering in some kind of antigravity unit, a man was peering into a microscope."
"MAKE article about "antigravity" lifter killed (Mark) 700 sets of 700 drawings (Mark)"
"Hot on the heels of my previous "antigravity" post ..."