appalling
n. B2 Upper Intermediate US //əˈpɔɫɪŋ// UK //ɐpˈɔːlɪŋ// ap·palling
n. shocking or extremely bad. You use this word when something is so poor that it makes you feel angry or disappointed.
n. causing shock or disapproval because of being extremely bad or inadequate.
The service at the restaurant was appalling.
The appalling conditions in the old factory led to immediate safety inspections.
The committee expressed appalling indifference to the plight of refugees, ignoring the urgent pleas for humanitarian aid.
By surface analysis, appall + -ing.