nightmarish

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Synonyms for nightmarish

adj frightening

adjective. horrible

1834, from nightmare + -ish. Related: Nightmarishly; nightmarishness.

The words one knows so well have a nightmarish meaning in this country.

The situation was fantastic, nightmarish, unbelievable and undeniable.

The tale had clutched him in a nightmarish way that shook his nerves.

So, as she lay there, her thoughts were chaotic, nightmarish.

Mr. Chizzy felt as though he were acting in some ghastly, nightmarish dream.

This novel is an emotional statement of those "nightmarish" days.

Jared stared at her as if she were part of a nightmarish dream.

A large silvery helmet, connected to a nightmarish maze of wiring, mounted on a rectangular plastic base.

Suddenly the Count felt the nightmarish pressure removed from the sensitive spot.

I hope that I shall never, never forget, as long as I live, what a brick Jerry was through the whole of that nightmarish thing.