50 entries under complicated topic. ×

2
troublesome(adjective, hard, difficult, delicate, loose)
1
Gordian(adjective, difficult, complex, awkward, tricky)
1
abstract(hard, delicate, complex, tricky)
1
abstruse(adjective, hard, difficult, delicate, loose)
1
effortful(adjective, difficult, complex, awkward, demanding)
1
entangled(adjective, hard, difficult, delicate, loose)
1
formidable(adjective, hard, difficult, delicate, complex)
1
rough(adjective, difficult, complex, awkward, demanding)
1
sticky(adjective, difficult, complex, awkward, demanding)
1
subtle(hard, delicate, complex, tricky)
1
tangled(adjective, hard, tricky)
1
terrible(adjective, difficult, complex, awkward, demanding)
1
uphill(adjective, difficult, complex, awkward, demanding)
0
deep(hard, delicate, complex, tricky)
0
delicate(hard, complex, tricky, troublesome)
0
elaborate(adjective, difficult, complex, awkward, tricky)
0
esoteric(hard, delicate, complex, tricky)
0
hard to explain(expression, hard, delicate, complex, tricky)
0
hard to solve(expression, hard, delicate, complex, tricky)
0
hidden(hard, tricky)
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APASmart Define. (2015). problematical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/problematical/thesaurus/synonyms
ChicagoSmart Define. 2015. "problematical thesaurus" https://smartdefine.org/problematical/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, problematical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/problematical/thesaurus/synonyms>.
MLASmart Define. "problematical thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/problematical/thesaurus/synonyms>