Demanding
Rugged
Rugged adjective - Requiring considerable physical or mental effort.
Usage example: even more rugged than most ultramarathons, this one crosses a desert
Demanding and rugged are semantically related in difficult topic. Sometimes you can use "Demanding" instead an adjective "Rugged", if it concerns topics such as austere.
Mutual synonyms
Cite this Source
Rugged and Demanding. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/demanding/rugged
Demanding & Rugged. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/demanding/rugged>.
Rugged or Demanding. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/demanding/rugged.
Google Ngram Viewer shows how "demanding" and "rugged" have occurred on timeline