91 entries under difficult topic. ×

15
ticklish(adjective, delicate, complex, tricky)
10
troublesome(adjective, hard, rough, delicate)
8
awkward(adjective, tough, difficulty, delicate)
8
bothersome(adjective, tough, tricky, problematic)
8
perplexing(adjective, hard, delicate, complex)
7
delicate(bad, hard, heavy, complex)
7
formidable(adjective, bad, delicate, complex)
7
nettlesome(adjective, tough, easy, pain)
5
baffling(adjective, delicate, complex, tricky)
5
strenuous(adjective, embarrassing)
5
vexatious(adjective, problematic)
4
abstruse(adjective, hard, delicate, loose)
4
demanding
4
hairy(bad, heavy, risky, dangerous)
3
problematical(adjective, hard, delicate, complex)
3
puzzling(adjective, hard, loose, complex)
3
recondite(adjective, complex, involved, dense)
3
unpleasant(adjective, tough, tricky, problematic)
3
uphill
3
worrying(adjective, problematic)
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APASmart Define. (2015). thorny thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/thorny/thesaurus/synonyms
ChicagoSmart Define. 2015. "thorny thesaurus" https://smartdefine.org/thorny/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, thorny thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thorny/thesaurus/synonyms>.
MLASmart Define. "thorny thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/thorny/thesaurus/synonyms>