Formidable and Nightmare

Formidable

Formidable adjective - Causing fear.

Nightmare and formidable are semantically related. In some cases you can use "Nightmare" instead an adjective "Formidable".

Nearby Word: formidably

Nightmare

Nightmare adjective - Extremely disturbing or repellent.
Usage example: survivors of a nuclear holocaust would surely face a nightmare existence

Formidable and nightmare are semantically related. Sometimes you can use "Formidable" instead an adjective "Nightmare".

Nearby Word: nightmarish

Both words in one sentence

  • Video Game / Saurian From Nobody to Nightmare: The Tyrannosaurus, Triceratops, and Dakotaraptor all start out as adorable hatchlings, before each growing up to be quite formidable.
Cite this Source
Nightmare and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/nightmare
Formidable & Nightmare. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/nightmare>.
Nightmare or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/nightmare.
Google Ngram Viewer shows how "formidable" and "nightmare" have occurred on timeline