Demanding and Formidable

Demanding

Demanding adjective - Requiring much time, effort, or careful attention.
Usage example: the demanding assignment kept them working all night long

Formidable is a synonym for demanding in difficult topic. In some cases you can use "Formidable" instead an adjective "Demanding", when it comes to topics like heavy.

Nearby Words: demand, demanded, demandant

Formidable

Formidable adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is a formidable undertaking

Demanding is a synonym for formidable in heavy topic. Sometimes you can use "Demanding" instead an adjective "Formidable".

Nearby Word: formidably
Cite this Source
Formidable and Demanding. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/demanding/formidable
Demanding & Formidable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/demanding/formidable>.
Formidable or Demanding. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/demanding/formidable.
Google Ngram Viewer shows how "demanding" and "formidable" have occurred on timeline