62 entries under thorny topic. ×

9
entangled(verb, adjective, hard, obscure, difficult)
9
fancy(adjective, difficult, delicate, plain, exact)
7
abstruse(adjective, hard, evil, obscure, difficult)
7
obscure(adjective, hard, difficult, complex, sophisticated)
5
deep(adjective, hard, evil, obscure, heavy)
5
delicate(adjective, hard, fancy, difficult, complex)
5
troublesome(adjective, hard, severe, rough, difficult)
4
prickly(spiky, spiny)
4
recondite(adjective, evil, obscure, difficult, heavy)
3
enigmatic(adjective, hard, evil, obscure, difficult)
3
formidable(adjective, hard, tough, severe, rough)
2
Daedalean(adjective, obscure, difficult, complex, sophisticated)
2
bothersome(adjective, tough, rough, difficult, heavy)
2
mysterious(adjective, hard, evil, obscure, complex)
2
nettlesome(tricky, spiky, spiny)
2
sharp(adjective, tricky, spiky, spiny)
1
hidden(adjective, hard, evil, obscure, difficult)
1
mixed(adjective, obscure, difficult, complex, sophisticated)
1
mystifying(adjective, hard, evil, difficult, complex)
1
problematical(adjective, hard, difficult, complex, awkward)
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APASmart Define. (2016). complicated thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/complicated/thesaurus/synonyms
ChicagoSmart Define. 2016. "complicated thesaurus" https://smartdefine.org/complicated/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, complicated thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/complicated/thesaurus/synonyms>.
MLASmart Define. "complicated thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/complicated/thesaurus/synonyms>