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
Grievous and exacting are semantically related. in demanding topic. In some cases you can use "Grievous" instead an adjective "Exacting".
Mutual synonyms
Cite this Source
Grievous and Exacting. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/exacting/grievous
Exacting & Grievous. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/exacting/grievous>.
Grievous or Exacting. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/exacting/grievous.
Google Ngram Viewer shows how "exacting" and "grievous" have occurred on timeline