1
keen-edged
1
knife-edged
1
knifelike(adjective, sharp)
1
lancinating(adjective, sharp)
1
mean
1
mordacious
1
mysterious(hard, delicate, complex, tricky, complicated)
1
mystifying(hard, delicate, complex, awkward, tricky)
1
needle-like(adjective, sharp)
1
needle-point(adjective, sharp)
1
needle-pointed
1
needlelike
1
no picnic
1
not easy
1
obscure(hard, tricky, complicated)
1
obstinate(hard, difficulty, tricky, complicated)
1
paradoxical(hard, delicate, complex, tricky, complicated)
1
pathless
1
plaguy(adjective, difficulty)
1
pricking
11 years ago|7k views|share |citing 
APASmart Define. (2015). thorny thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/thorny/thesaurus/synonyms
ChicagoSmart Define. 2015. "thorny thesaurus" https://smartdefine.org/thorny/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, thorny thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/thorny/thesaurus/synonyms>.
MLASmart Define. "thorny thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/thorny/thesaurus/synonyms>