Challenging
Challenging adjective - Requiring considerable physical or mental effort.
Usage example: an exceptionally challenging brainteaser
Strenuous and challenging are semantically related. in difficult topic. In some cases you can use "Strenuous" instead an adjective "Challenging".
Strenuous
Strenuous adjective - Requiring considerable physical or mental effort.
Usage example: a strenuous workout on the obstacle course
Challenging and strenuous are semantically related. You can use "Challenging" instead an adjective "Strenuous".
Nearby Word: strenuously
Mutual synonyms
Related pairs
- stiff and challenging
- stiff and strenuous
- demanding and challenging
- demanding and strenuous
- difficult and challenging
- difficult and strenuous
- heavy and challenging
- heavy and strenuous
- ambitious and challenging
- ambitious and strenuous
- hard and challenging
- hard and strenuous
- severe and challenging
- severe and strenuous
Cite this Source
Strenuous and Challenging. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/challenging/strenuous
Challenging & Strenuous. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/challenging/strenuous>.
Strenuous or Challenging. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/challenging/strenuous.
Google Ngram Viewer shows how "challenging" and "strenuous" have occurred on timeline