appalverb [T](-ll-) UK (US appall) uk /əˈpɔːl/ us /əˈpɑːl/
- He witnessed some appalling acts of barbarism during the war.
- Conditions in the prison are said to be appalling.
- Your table manners are appalling - don't you know how to use a knife and fork?
- After her appalling behaviour, we had no option but to dismiss her.
- The standard of cleanliness in some of these restaurants is frankly appalling.