An awful thought came into his mind, one that both shocked and alarmed him.

She had the awful thought that it was the latter.

There was an awful thought growing in my mind.

Another awful thought; out there in the yard were three dead bodies.

Marissa said, even though the same awful thought was in her mind.

The look on his face was enough; he'd had the same awful thought I'd had.

I had an awful thought, and I'd been slow not to think of it before.

While the maid placed sake on the table, an awful thought began to take hold in my mind.

And then an awful thought, one so terrible I might indeed have suppressed it, began to surface.

His face was quite serious, as he'd just had an awful thought.