to twist the body about, or squirm, as in pain, violent effort, etc.

to shrink mentally, as in acute discomfort.

to twist or bend out of shape or position; distort; contort.

to twist (oneself, the body, etc.) about, as in pain.

a writhing movement; a twisting of the body, as in pain.

verb

be still

verb

agonize , bend , distort , jerk , recoil , squirm , struggle , suffer , thrash , thresh , twist , wiggle , wince , worm , wriggle , toss , turn , squiggle , waggle , contort , curl , shrivel , wrest , wring