imperturbable Antonyms

ranting testy touchy trembling troubled turbulent unassured uneasy unpoised unquiet upset vexed violent wary wild tense temperamental techy rattled raucous raving resentful restive restless robustious ruffled seething shaking shaky skittish strained swivel-eyed wired worried wrathful beside oneself hot under the collar in a flap in a flat spin in a lather in a state keyed up on tenterhooks panicky scared stiff twitchy in a tizz having kittens like a cat on hot bricks neurologic