Shudder

1. (v. i.) To tremble or shake with fear, horror, or aversion; to shiver with cold; to quake.

2. (n.) The act of shuddering, as with fear.

Thesaurus Entries

bang, be cold, bob, bobble, boot, bounce, bump, charge, chatter, chill, convulse, convulsion, didder, disquiet, disquietude, dither, dithers, falter, fidgetiness, fidgets, flush, flutter, freeze, freeze to death, grimace, grow cold, gyrate, have a chill, have an ague, have goose pimples, heaving, horripilate, hustle, inquietude, jactitate, jar, jerk, jig, jigget, jiggle, jog, joggle, jollies, jolt, jostle, jounce, jump, kick, lift, lose heat, palpitation, panting, paroxysm, perish with cold, pitapat, pitter-patter, quake, quaking, quaver, quavering, quiver, quivering, rattle, restlessness, rictus, rush, rush of emotion, sensation, shake, shakes, shaking, shimmy, shiver, shivers, shock, spasm, surge of emotion, thrill, throb, throbbing, tic, tingle, tingling, titillation, tremble, trembling, tremor, tremor of excitement, trepidation, trepidity, twitch, twitter, unrest, vibrate, vibration, wobble