Formidable and Monstrous

Formidable

Formidable adjective - Causing fear.
Usage example: a formidable, irascible old man who frightened the neighborhood children

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

Nearby Word: formidably

Monstrous

Monstrous adjective - Extremely disturbing or repellent.
Usage example: the monstrous measures taken by the dictator against anyone who opposed his regime

Formidable and monstrous are semantically related. Sometimes you can use "Formidable" instead an adjective "Monstrous".

Nearby Words: monster, monstrosity, monstrously

Both words in one sentence

  • Retired Monster Then, tired of his adventurous, formidable and monstrous life, he longed to be some one "like everybody else." And he became a contractor, like any ordinary contractor, building ordinary houses with ordinary bricks.
  • Tabletop Game / Hunter: The Vigil Sympathetic towards penitent creatures but merciless in their pursuit of those who revel in their monstrous nature, their hereditary powers of Castigation are as formidable as they are unsettling.
  • Boss Subtitles Gurumin: A Monstrous Adventure does this for each boss as they transform from their less threatening forms into a more formidable opponent.
Cite this Source
Monstrous and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/monstrous
Formidable & Monstrous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/monstrous>.
Monstrous or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/monstrous.
Google Ngram Viewer shows how "formidable" and "monstrous" have occurred on timeline