frenzied

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, wired

alarmed, anxious, disquieted, disturbed, nervous, perturbed, tense, troubled, upset, worried, wrought (up)

affrighted, aghast, alarmed, fearful, frightened, horrified, scared, spooked, terrified, terrorized

ballistic, berserk, crazed, demented, deranged, mad, maniacal (also maniac), nuclear

raging, ranting, raving

concentrated, high-pressured, intense, intensive, vehement

excessive, exorbitant, extravagant, extreme, immoderate, inordinate, lavish, overmuch, overweening, unconscionable, undue

crazed, crazy, demented, deranged, insane, irrational, lunatic, maniacal (also maniac)