28 entries under troublesome topic. ×

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esoteric(hard, delicate, complex, tricky, complicated)
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hard to explain(expression, hard, delicate, complex, tricky)
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hard to solve(expression, hard, delicate, complex, tricky)
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inexplicable(hard, delicate, complex, tricky, complicated)
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loose(hard, delicate, complex, tricky, complicated)
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mystical(hard, delicate, complex, tricky, complicated)
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profound(hard, delicate, complex, tricky, complicated)
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vexing(hard, delicate, complex, tricky, complicated)
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APASmart Define. (2015). problematical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/problematical/thesaurus/synonyms
ChicagoSmart Define. 2015. "problematical thesaurus" https://smartdefine.org/problematical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, problematical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/problematical/thesaurus/synonyms>.
MLASmart Define. "problematical thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/problematical/thesaurus/synonyms>