Challenging
Challenging adjective - Requiring considerable physical or mental effort.
Usage example: an exceptionally challenging brainteaser
Grueling and challenging are semantically related. In some cases you can use "Grueling" instead an adjective "Challenging".
Grueling
Grueling adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is grueling
Challenging and grueling are semantically related. Sometimes you can use "Challenging" instead an adjective "Grueling".
Mutual synonyms
Related pairs
- strenuous and challenging
- strenuous and grueling
- stiff and challenging
- stiff and grueling
- demanding and challenging
- demanding and grueling
- difficult and challenging
- difficult and grueling
- heavy and challenging
- heavy and grueling
- hard and challenging
- hard and grueling
- severe and challenging
- severe and grueling
Both words in one sentence
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Challenging it right away is not a good idea though; battles in the Chaos Vortex have high round counts with grueling enemies that deal obscene damage and usually show up in packs.
Cite this Source
Grueling and Challenging. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/challenging/grueling
Challenging & Grueling. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/challenging/grueling>.
Grueling or Challenging. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/challenging/grueling.
Google Ngram Viewer shows how "challenging" and "grueling" have occurred on timeline