nervousness

Synonyms: agitation all-overs anger animation butterflies cold sweat creeps delirium discomfiture disquiet disquietude dithers excitability feverishness fidgets flap fluster fuss impatience jitters jumps moodiness neurasthenia neuroticism perturbation quivers sensitivity shakes stage fright stimulation stress tension timidity tizzy to-do touchiness trembles tremulousness turbulence uneasiness willies worry

Antonyms: calm calmness collectedness