jumping on a trampoline. an airplane ride. swinging. bungee jumping
It doesn't, nothing can defy gravity.
It is impossible to actually "defy" gravity. Even the Voyager spacecraft at over four billion miles from the earth experience some gravity from the earth. Satellites can orbit the earth at as low as 220 miles or less. They still fall toward the earth, but their forward speed carries them at an arc that matches the earth's surface.
No
The plural of defy is defies. As in "this defies the laws of gravity".
The chemical that is called defying gravity.
They cannot.
Ultimately, no.
No they don't.
adhesion.
The water seemed to defy gravity.
No, they don't.
No.