mortal fear
mortal dread
mortal terror

There was a movement and a scream of sheer mortal terror.

And who had so suddenly screamed in mortal terror?

Most women, for some reason, stand in mortal terror of such things.

If I called it 'mortal terror,' that would be an understatement.

It was the shrill cry of a woman in mortal terror.

He lives in mortal terror that they're going to find him out, one of these days.

Fifteen minutes before he had been in mortal terror for his life, but you'd never know it looking at him now, Eddie thought.

I lived in mortal terror of losing control again and killing someone.

But the second scream that rang across the water was one of mortal terror.

And mortal terror in a female was Z's favorite turn-on.