imperturbable Antonyms

in a cold sweat beside oneself antsy uptight jumpy jittery ill at ease worked up unsettled wroth worried wild wary hot under the collar in a flap like a cat on hot bricks having kittens in a tizz unrelaxed twitchy scared stiff panicky on tenterhooks keyed up in a state in a lather in a flat spin upset uneasy troubled frenzied frantic flustered fidgety excitable edgy disturbed distressed boisterous apprehensive anxious agitated hysterical incensed touchy tense skittish shaky restless perturbed