addled agitated all-overish anxious anxioused up apprehensive at a loss baffled bamboozled beat bothered buffaloed concerned confounded dazed disquieted disturbed fearful floored foreboding fuddled in a dilemma in a pucker in a stew in suspense keyed-up licked misgiving muddled mystified nervous nonplussed on edge on tiptoe overanxious overapprehensive perplexed perturbed puzzled quivering solicitous strained stuck stumped suspenseful taut tense thrown troubled uneasy with bated breath with muscles tense zealous