(n.) Want of rest or repose; unquietness; sleeplessness; uneasiness; disquietude.

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