Challenging
Challenging adjective - Requiring considerable physical or mental effort.
Usage example: an exceptionally challenging brainteaser
Laborious is a synonym for challenging in difficult topic. In some cases you can use "Laborious" instead an adjective "Challenging".
Laborious
Laborious adjective - Requiring considerable physical or mental effort.
Usage example: the laborious task of cleaning up the oil spill
Challenging is a synonym for laborious in arduous topic. You can use "Challenging" instead an adjective "Laborious".
Mutual synonyms
Related pairs
- strenuous and challenging
- strenuous and laborious
- stiff and challenging
- stiff and laborious
- demanding and challenging
- demanding and laborious
- difficult and challenging
- difficult and laborious
- heavy and challenging
- heavy and laborious
- hard and challenging
- hard and laborious
- severe and challenging
- severe and laborious
Cite this Source
Laborious and Challenging. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/challenging/laborious
Challenging & Laborious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/challenging/laborious>.
Laborious or Challenging. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/challenging/laborious.
Google Ngram Viewer shows how "challenging" and "laborious" have occurred on timeline