"twitch" in the noun sense

1. twitch, twitching, vellication

a sudden muscle spasm especially one caused by a nervous condition

"twitch" in the verb sense

1. twitch, jerk

make an uncontrolled, short, jerky motion

"his face is twitching"

2. jerk, twitch

move with abrupt, seemingly uncontrolled motions

"The patient's legs were jerkings"

3. flip, twitch

toss with a sharp movement so as to cause to turn over in the air

4. pinch, squeeze, twinge, tweet, nip, twitch

squeeze tightly between the fingers

"He pinched her behind"

"She squeezed the bottle"

5. twitch

move or pull with a sudden motion

Source: WordNet® (An amazing lexical database of English)

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