Definitions

nightmarish

[nahyt-mair-ish] / ˈnaɪtˌmɛər ɪʃ /

ADJECTIVE

frightening

Synonyms

STRONGEST

awful chilling disquieting dreadful eerie ghastly grim grisly hair-raising hellish horrible horrid horrifying macabre scary spooky terrible terrifying traumatic

WEAK

alarming creepy dire direful fearful fearsome ghoulish morbid ominous petrifying unnerving

Antonyms

STRONGEST

calming good nice normal pleasant pleasing soothing wonderful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The 31‑year‑old admitted she had begun having strange, nightmarish dreams ahead of her big moment at London Fashion Week on Sunday.

From Barron's

Still, it hasn’t been a completely nightmarish trip across the Atlantic.

From The Wall Street Journal

They crawled and rested, crawled and rested, in a nightmarish pattern that repeated itself over and over again.

From Literature

It also extended a nightmarish stretch of Olympic finishes in Shiffrin’s otherwise outstanding career.

From The Wall Street Journal

The master had said it in so many words—my reward for whatever awaited me in this nightmarish new world into which I had enlisted.

From Literature