Cruel
Grueling
Grueling adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is grueling
Mutual synonyms
Cite this Source
Grueling and Cruel. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/cruel/grueling
Cruel & Grueling. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/cruel/grueling>.
Grueling or Cruel. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/cruel/grueling.
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