agitation angst anxiety anxiety hysteria anxiety neurosis anxious bench anxious concern anxious seat anxiousness apprehension apprehensiveness cankerworm of care care cold shivers cold sweat concern concernment disquiet disquietude distress disturbance dither dithers doubt dread fear foreboding forebodingness heebie-jeebies inquietude jimjams jitters jumps malaise misgiving nervous strain nervous tension nervousness overanxiety perturbation pins and needles pucker qualm qualmishness quivers shakes shivers solicitude stew strain suspense sweat tension trembles trouble uneasiness unquietness upset vexation willies zeal