110 entries under hard topic. ×

10
baffling(adjective, difficult, complex, awkward)
9
enigmatic(adjective, evil, obscure, difficult)
9
entangled(adjective, fancy, obscure, difficult)
6
confusing(adjective, complex, involved, tricky)
6
deep(adjective, evil, obscure, heavy)
6
subtle(adjective, obscure, complex, tricky)
6
ticklish(delicate, awkward, tricky, complicated)
6
troublesome(adjective, tough, fancy, severe)
5
dark(adjective, evil, delicate, loose)
5
delicate(adjective, fancy, loose, complex)
5
mysterious(adjective, evil, obscure, heavy)
5
mystifying(adjective, evil, loose, complex)
5
nice(exact, full, tricky, complicated)
5
recondite(adjective, fancy, evil, obscure)
4
abstract(obscure, complex, tricky, complicated)
4
bewildering(adjective, obscure, sophisticated, involved)
4
confounding(adjective, tricky, complicated, puzzling)
4
hairy(adjective, tough, severe, rough)
4
problematical(adjective, difficult, delicate, loose)
3
demanding(adjective, tough, severe, difficult)
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APASmart Define. (2015). intricate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intricate/thesaurus/synonyms
ChicagoSmart Define. 2015. "intricate thesaurus" https://smartdefine.org/intricate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, intricate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intricate/thesaurus/synonyms>.
MLASmart Define. "intricate thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/intricate/thesaurus/synonyms>