agitation all-overs angst anxiety anxiety hysteria anxiety neurosis anxious bench anxious concern anxious seat anxiousness apprehension apprehensiveness cankerworm of care care concern concernment disquiet disquietude distress disturbance dread fear foreboding forebodingness inquietude malaise mental strain misgiving nervous strain nervousness overanxiety perturbation pins and needles pressure pucker solicitude stew strain stress stress and strain suspense tautness tenseness tension trouble uneasiness unquietness upset vexation zeal