Tremor(n.) A trembling; a shivering or shaking; an involuntary quivering or vibratory motion; as, the tremor of a person who is weak, infirm, or old.
Thesaurus Entries
Bebung, aphonia, artificial voice, bang, bob, bobble, boot, bounce, broken speech, broken tones, broken voice, bump, charge, childish treble, choked voice, cracked voice, croak, crow, didder, disquiet, disquietude, dither, dithers, dysarthria, dyslalia, dyslogia, dysphasia, dysphonia, dysphrasia, falsetto, falter, fidgetiness, fidgets, flush, flutter, grimace, harshness, hawking voice, heaving, hiss, hoarseness, idioglossia, idiolalia, impairment of speech, inquietude, jar, jerk, jig, jigget, jiggle, jog, joggle, jollies, jolt, jostle, kick, lift, lisp, lisping, loss of voice, muzzy speech, nasal tone, nasalization, palpitation, panting, pitapat, pitter-patter, quake, quaker, quaking, quaver, quavering, quiver, quivering, restlessness, rictus, rush, rush of emotion, sensation, shake, shakes, shaking, shiver, shivers, shock, shudder, sibilation, speech defect, speech impediment, surge of emotion, temblor, thrill, throb, throbbing, tic, tingle, tingling, titillation, tremble, trembling, tremolando, tremolant, tremolo, tremor of excitement, trepidation, trepidity, trill, trillet, trilleto, trillo, twang, twitch, twitter, unrest, vibrate, vibrato, wobble