aflutter, antsy, anxious, atwitter, dithery, edgy, het up, hinky(slang), hung up, ill at ease, insecure, jittery, jumpy, nervous, nervy, perturbed, queasy(also queazy), tense, troubled, uneasy, unquiet, upset, uptight, worried

aggrieved, bothered, concerned, disquieted, distraught, distressed, disturbed, freaked, freaked-out, shook-upapprehensive, foreboding, hesitant, misgivingfretful, fretting, stewing, vexedqualmish, qualmyflustered, twittered, undone, unnerved, unstrungobsessed, preoccupied, restlessfidgety, flighty, fluttery, high-strung, hypertense, skittish, spooky

keyed up, on edge, on pins and needles, on tenterhooks