"causing dismay or horror," 1620s, present-participle adjective from appall. Colloquial weakened sense of "distasteful" is attested from 1919. Related: Appallingly.
is it better to view the appalling or merely hear of it?
appalling conditions
app
Appalachia
Appalachian
appall
appalled
appalling
Appaloosa
appanage
apparat
apparatchik
apparatus
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}