Grueling
Grueling adjective - Requiring considerable physical or mental effort.
Usage example: running a marathon is grueling
Mutual synonyms
Related pairs
Cite this Source
Rigorous and Grueling. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/grueling/rigorous
Grueling & Rigorous. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/grueling/rigorous>.
Rigorous or Grueling. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/grueling/rigorous.
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