appal
(verb)
verb
1. strike with disgust or revulsion
Similar word(s): appall, offend, outrage, scandalise, scandalize, shock
Definition categories: emotion, disgust, nauseate, revolt, sicken
2. fill with apprehension or alarm; cause to be unpleasantly surprised
Similar word(s): alarm, appall, dismay, horrify
Definition categories: emotion, affright, fright, frighten, scare