unnerve Synonyms

faze enervate unsettle throw off balance ruffling ruffle scare scarify shake shock rattle put-off petrify perturb paralyze panic overawe madden intimidate spook stagger take aback discombobulate shake up worry upset unstring unman unhinge uncalm trouble thunderstrike throw terrorize terrify surprise stun startle horrify frighten discomfit disappoint devitalize depress demoralize debilitate daunt crush cow confuse