23 entries under obscure topic. ×

1
sophisticated(adjective, hard, fancy, difficult)
1
tortuous(adjective, difficult, complex, sophisticated)
1
unfathomable(hard, sophisticated, tricky, complicated)
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APASmart Define. (2015). entangled thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/entangled/thesaurus/synonyms
ChicagoSmart Define. 2015. "entangled thesaurus" https://smartdefine.org/entangled/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, entangled thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/entangled/thesaurus/synonyms>.
MLASmart Define. "entangled thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/entangled/thesaurus/synonyms>