Even nowadays, a lot of people live in appalling conditions.

This is appalling.

There's an appalling shortage of phone booths in this area.

The destruction of the environment is appalling.

Mary looked appalled.

I'm appalled. You leave me speechless.

That's appalling.

My long-term memory is excellent, but my short-term memory is appalling — sorry, did I tell you that already?

I was appalled at the sight.

It's perfectly appalling to think of being twenty, Marilla. It sounds so fearfully old and grown up.