Exacting
Exacting adjective - Requiring considerable physical or mental effort.
Usage example: the new recruits had to adjust themselves to the exacting discipline of military life
Testing and exacting are semantically related in demanding topic. In some cases you can use "Testing" instead an adjective "Exacting".
Mutual synonyms
Cite this Source
Testing and Exacting. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/exacting/testing
Exacting & Testing. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/exacting/testing>.
Testing or Exacting. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/exacting/testing.
Google Ngram Viewer shows how "exacting" and "testing" have occurred on timeline