84 entries under tough topic. ×

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slavish(adjective, rough, difficult, heavy)
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unaccommodating(problematic, trying)
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unamenable(problematic, trying)
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unmanageable socially(expression, problematic, trying)
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APASmart Define. (2016). arduous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/arduous/thesaurus/synonyms
ChicagoSmart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, arduous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>.
MLASmart Define. "arduous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms>