ap·pall (US) or Brit ap·pal 
/əˈpɑ:l/ verb
ap·palls; ap·palled; ap·pall·ing /əˈpɑ:l/ verb [+ obj] : to cause (someone) to feel fear, shock, or disgust
▪ The thought of war appalls me. ▪ It appalls me to think of the way those children have been treated. — often used as (be) appalled ▪ We were appalled at how long it took for our food to be served. = We were appalled that it took so long. ▪ She was appalled by/at their behavior.
▪ The thought of war appalls me. ▪ It appalls me to think of the way those children have been treated. — often used as (be) appalled ▪ We were appalled at how long it took for our food to be served. = We were appalled that it took so long. ▪ She was appalled by/at their behavior.
