Synonyms for Twitching:

adj.

agitated (adjective)
disturbed, skittish, feverish, upset, Churned, shaking, perturbed, trembling, spastic, unquiet, twitchy, jumpy, quaking, nervous, jittery, shaken, writhing, agitated, quavering, uneasy, shivering, Jarred, troubled, distraught, palpitating, convulsive, erratic, restless, jerky, disquieted, fluttered, wobbling, quivering, shuddering.
uncontrolled (adjective)
jerky.

n.

twitching (noun)
vellication, twitch.

v.

agitating (verb)
churning, jolting, disquieting, Flustering, perturbing, agitating, troubling, jarring, upsetting, stirring.

Other synonyms:

Other relevant words:
vellication, twitch.

Usage examples for twitching

  1. Nor did I notice that its eyes were particularly soft, or that there was any peculiarity in the twitching of its tail. – The Bravest of the Brave or, with Peterborough in Spain by G. A. Henty
  2. Jessamy could imagine on Oliver Drew's lips the grave, half- whimsical smile that she had seen twitching them so often. – The Heritage of the Hills by Arthur P. Hankins