60 entries under complicated topic. ×

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dense(adjective, difficult, complex, involved)
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enigmatical(hard, delicate, complex, tricky)
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fiddly(delicate, awkward)
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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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hidden(hard, tricky)
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inexplicable(hard, delicate, complex, tricky)
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loose(hard, delicate, complex, tricky)
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meandering(hard, tricky)
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mixed(adjective, difficult, complex, involved, dense)
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mystical(hard, delicate, complex, tricky)
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quirky(delicate, awkward)
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rambling(hard, tricky)
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rocky(delicate, awkward, tricky)
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subtle(hard, delicate, complex, tricky)
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unclear(hard, delicate, complex, tricky)
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undependable(delicate, awkward)
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unfathomable(hard, tricky)
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unintelligible(hard, delicate, complex, tricky)
0
vexing(hard, delicate, complex, tricky)
<123>
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APASmart Define. (2015). thorny thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thorny/thesaurus/synonyms
ChicagoSmart Define. 2015. "thorny thesaurus" https://smartdefine.org/thorny/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, thorny thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thorny/thesaurus/synonyms>.
MLASmart Define. "thorny thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/thorny/thesaurus/synonyms>