noun. The act of one who or that which twitches; especially, an involuntary convulsive jerking of the muscles, etc. See twitch, n., 2.

noun. compulsive bird watching by people (twitchers) who travel long distances to see rare species

verb. Present participle of twitch.

adjective. That twitches.

noun. a sudden muscle spasm; especially one caused by a nervous condition

"We can’t see them, except for a bit of net curtain twitching from the caravans, and the odd small cluster of garishly dressed ginger-headed teenagers who walk around us in circles, then stand out of earshot to make obvious mobile phone calls."

fibrillary twitching  

twitchingly  

cramp  muscle spasm  spasm  

blepharism  fasciculation  fibrillation  tic  

ditching  enriching  hitching  itching  pitching  

abstraction  abulia  agitation  alienation  anxiety  

twitch