54 entries under problematical topic. ×

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uphill battle(expression, adjective, difficult, awkward, demanding)
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awkward(adjective, difficult, demanding)
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challenging(adjective, tough, difficult, awkward, grim)
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complicated(adjective, difficult, awkward, demanding)
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difficile(adjective, tough, difficult, awkward, grim)
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herculean(adjective, tough, difficult, awkward, grim)
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intricate(adjective, difficult, awkward, demanding)
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involved(adjective, difficult, awkward, demanding)
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knotty(adjective, difficult, awkward, demanding)
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mean(adjective, difficult, awkward, demanding)
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merciless(adjective, severe, difficult, harsh, heavy)
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murder(adjective, hard, tough, difficult, awkward)
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rugged(adjective, hard, difficult, awkward, demanding)
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scabrous(adjective, difficult, awkward, demanding)
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APASmart Define. (2015). grueling thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/grueling/thesaurus/synonyms
ChicagoSmart Define. 2015. "grueling thesaurus" https://smartdefine.org/grueling/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, grueling thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/grueling/thesaurus/synonyms>.
MLASmart Define. "grueling thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/grueling/thesaurus/synonyms>