26 entries under troublesome topic. ×

38
difficult(adjective, hard, rough, difficult, delicate)
34
knotty(adjective, hard, difficulty, difficult, delicate)
15
ticklish(adjective, difficult, delicate, complex, tricky)
8
bothersome(adjective, tough, difficult, tricky, problematic)
8
perplexing(adjective, hard, difficult, delicate, complex)
7
delicate(bad, hard, difficult, heavy, complex)
7
formidable(adjective, bad, difficult, delicate, complex)
3
problematical(adjective, hard, difficult, delicate, complex)
3
puzzling(adjective, hard, difficult, loose, complex)
1
confounding(hard, delicate, complex, tricky, complicated)
1
confusing(hard, delicate, complex, tricky, complicated)
1
mysterious(hard, delicate, complex, tricky, complicated)
1
mystifying(hard, delicate, complex, awkward, tricky)
1
paradoxical(hard, delicate, complex, tricky, complicated)
0
abstract(hard, delicate, complex, tricky, complicated)
0
deep(hard, delicate, complex, tricky, complicated)
0
enigmatical(hard, delicate, complex, tricky, complicated)
0
hard to explain(expression, hard, delicate, complex, tricky)
0
hard to solve(expression, hard, delicate, complex, tricky)
0
inexplicable(hard, delicate, complex, tricky, complicated)
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APASmart Define. (2015). thorny thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/thorny/thesaurus/synonyms
ChicagoSmart Define. 2015. "thorny thesaurus" https://smartdefine.org/thorny/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, thorny thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/thorny/thesaurus/synonyms>.
MLASmart Define. "thorny thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/thorny/thesaurus/synonyms>