64 entries under difficult topic. ×

30
tricky(adjective, hard, open, delicate)
28
knotty(adjective, hard, delicate, complex)
27
precarious(adjective, hard, open, complex)
25
intricate(adjective, hard, delicate, complex)
25
thorny(adjective, hard, delicate, complex)
24
complicated(adjective, hard, delicate, complex)
24
sensitive(adjective, hard, delicate, uncertain)
23
hard(adjective, delicate, complex, tricky)
22
tough(adjective, hard, complex)
22
complex(adjective, hard, delicate, awkward)
22
sticky(adjective, hard, complex)
21
involved(adjective, hard, delicate, complex)
21
tight(adjective, hard, complex)
20
labyrinthine(adjective, hard, complex, intricate)
20
byzantine(adjective, hard, complex, intricate)
20
painful(adjective, hard, complex)
20
rugged(adjective, hard, delicate, uncertain)
20
trying(adjective, hard, complex)
19
Gordian(adjective, hard, complex, intricate)
19
ambitious(adjective, hard, complex)
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APASmart Define. (2016). problematic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/problematic/thesaurus/synonyms
ChicagoSmart Define. 2016. "problematic thesaurus" https://smartdefine.org/problematic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, problematic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/problematic/thesaurus/synonyms>.
MLASmart Define. "problematic thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/problematic/thesaurus/synonyms>