hyperactive

1 being in a state of increased activity or agitation the skyrocketing price of oil resulted in a wildly fluctuating, hyperactive stock market Synonyms agitated, excited, frenzied, heated, hectic, feverish, overactive, overwroughtRelated Words hyperexcited, overexcited; afire, aflutter, aquiver, atingle; anxious, dithery, edgy, het up, high-strung, hyped-up, hyper, jittery, jumpy, nervy, nervous, perturbed, tense, troubled, uneasy, unquiet, upset, uptight, wiredNear Antonyms calm, collected, composed, cool, coolheaded, placid, serene, tranquil, undisturbed, unperturbed, unshaken, untroubled, unworried

2 easily excited by nature hyperactive children who are in dire need of a guardian with a firm hand Synonyms fiddle-footed, flighty, fluttery, high-strung, hyper, excitable, hyperexcitable, 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