verb

fill with horror; shock greatly.

they were horrified by the very idea

frighten,scare,terrify,petrify,alarm,panic,terrorize,scare stiff,scare/frighten to death,fill with fear,throw into a panic,make someone’s blood run cold,scare the pants off,make someone’s hair curl,throw into a blue funk,put the wind up,scare the bejesus out of,spook,affright,shock,appal,outrage,scandalize,offend,dismay,throw off balance,disgust,revolt,repel,nauseate,sicken,rattle,faze,knock sideways,knock for six,pother,scare shitless,scare the shit out of