Formidable
Formidable adjective - Causing fear.
Impactful and formidable are semantically related. In some cases you can use "Impactful" instead an adjective "Formidable".
Nearby Word: formidably
Impactful
Impactful adjective - Having the power to affect the feelings or sympathies.
Formidable and impactful are semantically related. Sometimes you can use "Formidable" instead an adjective "Impactful".
Mutual synonyms
Cite this Source
Impactful and Formidable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/formidable/impactful
Formidable & Impactful. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/formidable/impactful>.
Impactful or Formidable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/formidable/impactful.
Google Ngram Viewer shows how "formidable" and "impactful" have occurred on timeline