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".
Mutual synonyms
Related pairs
- great and formidable
- great and monstrous
- enormous and formidable
- enormous and monstrous
- huge and formidable
- huge and monstrous
- terrible and formidable
- terrible and monstrous
- dreadful and formidable
- dreadful and monstrous
- frightful and formidable
- frightful and monstrous
- horrendous and formidable
- horrendous and monstrous
Both words in one sentence
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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.
Source: Retired Monster -
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.
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Gurumin: A Monstrous Adventure does this for each boss as they transform from their less threatening forms into a more formidable opponent.
Source: Boss Subtitles
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