45 entries under difficult topic. ×

1
wheels within wheels(expression, adjective, idiom, hard, fancy)
0
dense(adjective, complex, involved, complicated)
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fancy(adjective, hard, complex, intricate)
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full of twists and turns(expression, adjective, idiom, complex)
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wicked(adjective, hard, severe, evil)
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APASmart Define. (2015). puzzling thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/puzzling/thesaurus/synonyms
ChicagoSmart Define. 2015. "puzzling thesaurus" https://smartdefine.org/puzzling/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, puzzling thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/puzzling/thesaurus/synonyms>.
MLASmart Define. "puzzling thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/puzzling/thesaurus/synonyms>