Synonyms and related words :
activity, actuation, agitation, agony, ailment, anguish, anxiety, anxiousness, bluster, bobbery, boil, boiling, brouhaha, bustle, churn, commotion, concern, conturbation, didder, discomposure, disorder, disquiet, disquietude, distress, disturbance, dithers, dynamics, ebullition, embroilment, excitement, ferment, fermentation, fever, feverishness, fidgetiness, fidgets, flap, flurry, fluster, flutter, flutteration, foment, fume, fuss, going, heaving, hubbub, hurly-burly, inquietude, jitters, jumpiness, kinematics, kinesipathy, kinesis, kinesitherapy, kinetics, maelstrom, malaise, mobilization, moil, motion, motivation, move, movement, moving, nerviness, nervosity, nervousness, palpitation, panting, perturbation, pitapat, pitter-patter, quaking, quaver, quavering, quiver, quivering, restiveness, restlessness, roil, rout, row, running, seethe, seething, shakes, shaking, shiver, shivers, shudder, stir, stirring, strife, swirl, throb, throbbing, to-do, tremble, trembling, tremor, trepidation, trepidity, trouble, tumult, tumultuation, turbidity, turbulence, turmoil, twitter, unease, uneasiness, upset, velocity, worry