What dreadful thing has happened, or is going to happen?

And what a dreadful thing they had all done to Michael.

But how can you even think such dreadful things, much less say them?

I couldn't do these dreadful things you have thought of me!

He'd done some dreadful things, but my father was only a boy and this man took care of him.

Then he went off to tell the others the dreadful thing that had happened.

So we went into town and saw the dreadful thing that had happened.

There she could have seen what dreadful things happen in families.

I was sure that some other dreadful thing had happened.

I know that we did dreadful things to them too.