54 entries under problematical topic. ×

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heavy(adjective, tough, rough, difficult, awkward)
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herculean(adjective, tough, rough, difficult, heavy)
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labored(adjective, tough, rough, difficult, heavy)
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laborious(adjective, tough, rough, difficult, heavy)
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onerous(adjective, tough, rough, difficult, heavy)
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operose(adjective, tough, rough, difficult, heavy)
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severe(adjective, tough, rough, difficult, heavy)
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strenuous(adjective, tough, rough, difficult, heavy)
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testing(adjective, difficult, awkward, demanding, grueling)
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toilsome(adjective, tough, rough, difficult, heavy)
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tricky(adjective, difficult, awkward, demanding, grueling)
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troublesome(adjective, tough, rough, difficult, heavy)
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uphill(adjective, tough, rough, difficult, heavy)
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wearisome(adjective, tough, rough, difficult, heavy)
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APASmart Define. (2015). scabrous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/scabrous/thesaurus/synonyms
ChicagoSmart Define. 2015. "scabrous thesaurus" https://smartdefine.org/scabrous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, scabrous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/scabrous/thesaurus/synonyms>.
MLASmart Define. "scabrous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/scabrous/thesaurus/synonyms>