142 entries under adjective topic. ×

22
toilsome(hard, difficult, complex)
21
knotted(hard, difficulty, difficult, complex)
21
precarious(hard, difficult, complex)
20
prickly(easy, sharp, difficult, pain)
20
burdensome(hard, difficult, complex)
20
impossible(hard, difficulty, difficult, complex)
20
labyrinthine(hard, difficulty, difficult, complex)
20
operose(hard, difficult, complex)
20
oppressive(hard, difficult, complex)
20
sore(hard, difficult, complex)
20
spiny(easy, sharp, pain, sharpness)
20
stressful(hard, difficult, complex)
20
tight(hard, difficult, complex)
19
Gordian(hard, difficult, complex, involved)
19
grinding(hard, difficult, complex)
19
profound(hard, difficult, complex)
19
sophisticated(hard, difficult, complex, involved)
19
stubborn(hard, difficulty, difficult, complex)
18
byzantine(hard, difficult, complex, involved)
18
elaborate(hard, difficult, complex, intricate)
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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>