Synonyms and related words :
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