hyperexcitable

easily excited by nature those hyperexcitable contestants on TV game shows who celebrate winning by jumping up and down uncontrollably Synonyms fiddle-footed, flighty, fluttery, high-strung, hyper, hyperactive, excitable, hyperkinetic, jittery, jumpy, nervous, skittery, skittish, spasmodic, spookyRelated Words hot-blooded, mercurial, temperamental, unstable, volatile, volcanic; anxious, edgy, flibbertigibbety, nervy, tense, uptight; emotional, emotionalistic, hypersensitive, intense, sensitive, soulful; dramatic, histrionic, melodramatic; irascible, irritable, perturbable, prickly, testy, touchyNear Antonyms calm, collected, cool, serene, tranquil; easy, easygoing, laid-back, relaxedAntonyms imperturbable, nerveless, unexcitable, unflappable, unshakable