THESAURUS
open eyed
Argus-eyed, advertent, agape, aghast, agog, alert, all agog, all ears, all eyes, amazed, assiduous, astonished, astounded, at gaze, attentive, aux aguets, aware, awed, awestruck, beguiled, bewildered, bewitched, breathless, burning with curiosity, captivated, careful, concentrated, confounded, conscious, consumed with curiosity, curious, custodial, diligent, dumbfounded, dumbstruck, eagle-eyed, earnest, enchanted, enraptured, enravished, enthralled, entranced, fascinated, finical, finicking, finicky, flabbergasted, gaping, gauping, gazing, ghoulish, gossipy, guarded, hawk-eyed, heedful, hypnotized, in awe, in awe of, inquiring, inquisitive, intense, intent, intentive, interested, itchy, keen-eyed, lidless, lost in wonder, marveling, mesmerized, meticulous, mindful, morbid, morbidly curious, nice, niggling, observant, observing, on guard, on the ball, on the job, on the lookout, on the watch, open-eared, openmouthed, overcurious, overwhelmed, popeyed, prudent, prurient, puzzled, quizzical, rapt in wonder, regardful, scopophiliac, sharp-eyed, sleepless, spellbound, staggered, staring, stupefied, supercurious, surprised, thunderstruck, under a charm, unsleeping, untold, vigilant, voyeuristic, wakeful, wary, watchful, wide-awake, wide-eyed, with open eyes, wonder-struck, wondering