114 entries under hard topic. ×

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hard to explain(expression, idiom, difficult, tricky)
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hard to solve(expression, idiom, difficult, tricky)
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impeding(severe, offensive, distressing, upsetting)
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obstinate(tricky, complicated)
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ominous(severe, offensive, distressing, upsetting)
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pessimistic(severe, offensive, distressing, upsetting)
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prophetic(severe, offensive, distressing, upsetting)
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provoking(severe, offensive, distressing, upsetting)
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sinister(severe, offensive, distressing, upsetting)
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startling(severe, offensive, distressing, upsetting)
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subtle(obscure, tricky, complicated, puzzling)
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threatening(severe, offensive, distressing, upsetting)
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tiresome(severe, offensive, distressing, upsetting)
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wearisome(severe, offensive, distressing, upsetting)
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APASmart Define. (2015). perplexing thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/perplexing/thesaurus/synonyms
ChicagoSmart Define. 2015. "perplexing thesaurus" https://smartdefine.org/perplexing/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, perplexing thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/perplexing/thesaurus/synonyms>.
MLASmart Define. "perplexing thesaurus" 30 July 2015. Web. 20 September 2026. <https://smartdefine.org/perplexing/thesaurus/synonyms>