What is "buoyed up"

Usage examples of "buoyed up".

He was buoyed up by the light that the dome trapped, that played on the underside of the glass and made the whole great edifice shine.

He was used to boats, not to the sea itself as an element in which to exist, body buoyed up by water.

I was buoyed up and carried along, a leaf swirled upon on the broad, heaving breast of the ocean by unseen currents.

Om soared like an eagle, buoyed up by the freshness, by the strength of the belief.

One moment he was thrown aloft, buoyed up by all the hands that grasped him, and then he was dragged under.

But as the car went down and I floated up, buoyed up in an eruption of big bubbles, I saw Natasha in the back of the car!