agitation discomposure perturbation nervousness excitement instability unevenness anxiety worry disquiet uneasiness apprehension unease fear concern disquietude trepidation apprehensiveness alarm anxiousness tension care restlessness nerves edginess fearfulness willies concernment tenseness butterflies solicitude shakes jitters sweat stress jumpiness strain agita jumps fidgets fluster creeps flap twitchiness distress yips tizzy turbulence fuss timidity confusion discomfiture nervosity impatience excitability moodiness embarrassment dithers disturbance distraction touchiness inquietude disorientation unrest discombobulation disconcertion chagrin abashment malaise tremulousness anger consternation discomfort upset frustration panic insecurity noise clamour clamor doubt uncertainty imbalance anguish vexation emotionalism turmoil tumult volatility distrust energy diffidence awkwardness loudness disproportion wildness arousal violence disagreement tactlessness