n. 25B6; verb
he twitched and then lay still : JERK, convulse, have a spasm, quiver, tremble, shiver, shudder.
he twitched the note out of my hand : SNATCH, tweak, pluck, pull, tug; informal yank.
25B6; noun
a twitch of her lips : SPASM, convulsion, quiver, tremor, shiver, shudder; tic.
he gave a twitch at his moustache : PULL, tug, tweak; informal yank.
he felt a twitch of annoyance : PANG, twinge, dart, stab, prick.