n. 25B6; verb
she tried to hug him but he wriggled : SQUIRM, writhe, wiggle, jiggle, jerk, thresh, flounder, flail, twitch, twist and turn; snake, worm, slither.
he wriggled out of his responsibilities : AVOID, shirk, dodge, evade, elude, sidestep; escape from; informal duck.
25B6; noun the baby gave a wriggle : SQUIRM, jiggle, wiggle, twitch, twist.