"Mr. Crouch?" said Percy, suddenly abandoning his look of poker-stiff disapproval and positively writhing with excitement.
It was odd; a moment before his insides had been writhing like snakes, but suddenly he didn’t seem to have any insides at all.
Though she writhed and twisted, furling and unfurling her wings and keeping those fearsome yellow eyes on Harry, she was afraid to move too far from them…. but he had to persuade her to do it, or he’d never get near them…… The trick was to do it carefully, gradually….
Momentarily shapeless, it writhed and then formed itself into a gleaming replica of a human hand, bright as moonlight, which soared downward and fixed itself upon Wormtails bleeding wrist.
The Death Eater on the ground writhed and shrieked; Harry was sure the sound must carry to the houses around…… Let the police come, he thought desperately …. anyone …. anything…. Voldemort raised his wand.
There was a silvery-blue one with long, pointed horns, snapping and snarling at the wizards on the ground; a smooth-scaled green one, which was writhing and stamping with all its might; a red one with an odd fringe of fine gold spikes around its face, which was shooting mushroom-shaped fire clouds into the air; and a gigantic black one, more lizardhike than the others, which was nearest to them.
There are no more uses of "writhe" in the book.
Show samples from other sources
The patient writhed in pain.
She writhed on the sidewalk begging that someone call an ambulance.