1
deeply repulsive(adjective, bad, awful, disgusting, hate)
1
despicable(adjective, bad, awful, disgusting, hate)
1
devitalizing
1
disciplinary
1
distressing(adjective, severe, difficult, harsh, heavy)
1
effort
1
enceinte
1
enfeebling
1
expectant
1
fatiguesome
1
fermented
1
fleshy
1
forbidding
1
formidable(adjective, hard, tough, severe, difficult)
1
gash
1
ghoulish
1
grave
1
gravid
1
grotty(adjective, bad, awful, disgusting, hate)
1
gut-wrenching(adjective, bad, awful, disgusting, hate)
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APASmart Define. (2015). grueling thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>