Formidable
Formidable adjective - Causing fear.
Grave and formidable are semantically related. In some cases you can use "Grave" instead an adjective "Formidable".
Nearby Word: formidably
Grave
Grave adjective - Having a matter of importance as its topic.
Formidable and grave are semantically related. Sometimes you can use "Formidable" instead an adjective "Grave".
Mutual synonyms
Cite this Source
Grave and Formidable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/formidable/grave
Formidable & Grave. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/formidable/grave>.
Grave or Formidable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/formidable/grave.
Google Ngram Viewer shows how "formidable" and "grave" have occurred on timeline