65 entries under problematic topic. ×

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laborious(tough, trying)
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no picnic(expression, tough, trying)
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not easy(expression, tough, trying)
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oafish(tough, grim, trying, troublesome)
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onerous(tough, trying)
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operose(tough, trying)
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painful(tough, trying)
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picky(tough, trying)
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problem(tough, trying)
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prohibitive(tough, trying)
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rigid(tough, grim, trying, troublesome)
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severe(tough, trying)
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strenuous(tough, trying)
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testing(tough, trying)
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tiresome(tough, grim, trying, troublesome)
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tiring(tough, trying)
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titanic(tough, trying)
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toilsome(tough, trying)
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trying(tough, grim, troublesome)
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unaccommodating(tough, grim, trying, troublesome)
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APASmart Define. (2016). fractious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fractious/thesaurus/synonyms
ChicagoSmart Define. 2016. "fractious thesaurus" https://smartdefine.org/fractious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, fractious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fractious/thesaurus/synonyms>.
MLASmart Define. "fractious thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/fractious/thesaurus/synonyms>