Ralph remembered the ungainly figure on a parachute.
On the mountain-top the parachute filled and moved; the figure slid, rose to its feet, spun, swayed down through a vastness of wet air and trod with ungainly feet the tops of the high trees; falling, still falling, it sank toward the beach and the boys rushed screaming into the darkness.
There are no more uses of "ungainly" in the book.
Show samples from other sources
At that she flung her head high, spun on her ungainly legs and gallumphed back down the ridge apparently more indignant than afraid.
Farley Mowat -- Never Cry Wolf
We struggle with the ungainly thing, making all kinds of clanking noises as we wobble down the stairs.