afraid, agitated, alive, all nerves, all-knowing, all-overish, anxious, anxioused up, apperceptive, appercipient, apprehending, awake, aware, bothered, cognizant, comprehending, concerned, conscious, disquieted, disturbed, edgy, excitable, fearful, foreboding, frightened, high-strung, in a pucker, in a stew, in suspense, insightful, intelligent, irritable, keyed-up, knowing, knowledgeable, mindful, misgiving, nerves on edge, nervous, nervy, omniscient, on edge, on tenterhooks, on tiptoe, overanxious, overapprehensive, overstrung, panicky, perceptive, percipient, perspicacious, perturbed, prehensile, qualmish, qualmy, quivering, sagacious, sensible, sentient, shrewd, solicitous, strained, suspenseful, taut, tense, troubled, understanding, uneasy, ware, wise, with bated breath, with muscles tense, witting, zealous