35 entries under thorny topic. ×

14
problematic(adjective, clear, open, difficult, certain)
8
difficult(adjective, hard, complex, awkward, demanding)
7
knotty(adjective, hard, difficult, delicate, loose)
5
intricate(adjective, hard, difficult, delicate, loose)
4
perplexing(adjective, hard, difficult, delicate, loose)
4
tricky(adjective, hard, difficult, uncertain, complex)
3
involved(adjective, hard, difficult, delicate, loose)
3
puzzling(adjective, hard, difficult, loose, complex)
2
complex(adjective, hard, difficult, delicate, loose)
2
convoluted(adjective, difficult, complex, intricate)
2
hard(adjective, difficult, complex, awkward, demanding)
2
labyrinthine(adjective, hard, difficult, delicate, loose)
2
troublesome(adjective, hard, difficult, delicate, loose)
1
Gordian(adjective, difficult, complex, awkward, tricky)
1
abstruse(adjective, hard, difficult, delicate, loose)
1
byzantine(adjective, difficult, complex, intricate)
1
complicated(adjective, hard, difficult, complex, awkward)
1
dense(adjective, difficult, complex, intricate)
1
entangled(adjective, hard, difficult, delicate, loose)
1
formidable(adjective, hard, difficult, delicate, complex)
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APASmart Define. (2015). problematical thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/problematical/thesaurus/synonyms
ChicagoSmart Define. 2015. "problematical thesaurus" https://smartdefine.org/problematical/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, problematical thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/problematical/thesaurus/synonyms>.
MLASmart Define. "problematical thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/problematical/thesaurus/synonyms>