Tic :  (noun)

1: a local and habitual twitching especially in the face

abstraction, abulia, agitation, alienation, anxiety, anxiety equivalent, anxiety state, apathy, apprehensiveness, attack of nerves, bob, bobble, bounce, buck fever, bump, case of nerves, catatonic stupor, complex, compulsion, dejection, depression, detachment, didder, dither, elation, emotionalism, euphoria, excessive irritability, falter, fascination, fear, fidgetiness, fidgets, fixation, fixed idea, folie du doute, grimace, hang-up, hypercathexis, hypochondria, hysteria, hysterics, idee fixe, indifference, insensibility, irresistible impulse, jar, jerk, jig, jigget, jiggle, jog, joggle, jolt, jostle, lethargy, mania, melancholia, mental distress, monomania, morbid drive, morbid excitability, nerves, nervosity, nervous stomach, nervousness, obsession, obsessive compulsion, panic, panickiness, pathological indecisiveness, possession, preoccupation, prepossession, psychalgia, psychomotor disturbance, quake, quaver, quiver, rictus, ruling passion, shake, shiver, shock, shudder, spell of nerves, stage fright, state of nerves, stupor, tremble, tremor, trepidation, twitch, twitching, twitter, uneasiness, unresponsiveness, vellication, withdrawal, wobble,