uptight

feeling or showing uncomfortable feelings of uncertainty he has a tendency to fret and get uptight whenever his usual routine is disrupted Synonyms aflutter, antsy, anxious, atwitter, dithery, edgy, goosey, het up, hinky [slang], hung up, ill at ease, insecure, jittery, jumpy, nervy, perturbed, queasy (also queazy), tense, troubled, uneasy, unquiet, upset, nervous, worriedRelated Words aggrieved, bothered, concerned, disquieted, distraught, distressed, disturbed, freaked, freaked-out, shook-up; apprehensive, foreboding, hesitant, misgiving; fretful, fretting, stewing, vexed; qualmish, qualmy; flustered, twittered, undone, unnerved, unstrung; obsessed, preoccupied, restless; fidgety, flighty, fluttery, high-strung, hypertense, skittish, spookyNear Antonyms confident, self-assured, self-confident, sure; controlled, self-controlledAntonyms calm, collected, cool, easy, happy-go-lucky, nerveless, relaxed