apprehensive Synonyms

worried discerning restless trembling tremulous trepid troubled uneasy unpoised unquiet unstill upset wary wired timorous timid terrified scared sentient shy skeptical skittish solicitous sophic stewing strained superstitious suspicious taut tense unsettled faint-hearted mouselike suspenseful gutless neuronal keyed up on edge on tenterhooks panicky paranoid strung out twitchy unnerved unrelaxed yellow-bellied apperceptive up on stressed acrophobic