Nightmarish and Ominous

Related words

Nightmarish adjective - Extremely disturbing or repellent.

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Ominous and nightmarish are semantically related. in frightening topic. In some cases you can use "Ominous" instead an adjective "Nightmarish".

Nearby Word: nightmare

Ominous adjective - Being or showing a sign of evil or calamity to come.

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Nightmarish and ominous are semantically related. Sometimes you can use "Nightmarish" instead an adjective "Ominous".

Nearby Word: ominously

Nightmarish Factory: The last place the sandman finds himself is a rather vague but ominous factory with lots of drills and grinding gears and the like.

Source: Western Animation / Quest
Much less ominous but a lot more terrifying is Mithra's Palace of Pleasure in Sector Bootes, a nightmarish construction where Mithra and his demonic cronies imprison and experiment upon the human crew of the Elve and even fellow demons.

Source: It's All Upstairs from Here
The verses are distorted and end on nightmarish notes, and the bridge changes melodies entirely, giving way to Ominous Pipe Organ, more distorted screams from Gackt, a woman screaming in terror...and then it goes right back to normal.

Source: Last Note Nightmare

Cite this Source

Ominous and Nightmarish. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/nightmarish/ominous

Nightmarish & Ominous. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/nightmarish/ominous>.

Ominous or Nightmarish. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/nightmarish/ominous.

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