unflustered Antonyms

all of a doodah beside oneself antsy uptight jumpy ill at ease worked up stressed unsettled wroth wrathful worried wired upset uneasy trembling tense strained het up hot under the collar in a cold sweat in a state of nerves having kittens all of a lather all of a dither in a tizz in a state of agitation twitchy strung out panicky on tenterhooks on pins and needles on edge keyed up in a state in a lather in a flap skittish shaky shaking hysterical fuming frenzied fraught frantic flick fidgety excitable edgy disturbed