appall

appall (US) verb
or British appal /əˈpɑːl/
appalls; appalled; appalling
appall (US)
verb
or British appal /əˈpɑːl/
appalls; appalled; appalling
Britannica Dictionary definition of APPALL
[+ object]
: to cause (someone) to feel fear, shock, or disgust
— often used as (be) appalled