43 entries under adjective topic. ×

5
dark(obscure, deep, ambiguous, cryptic)
4
arduous
4
awkward
4
baffling
4
challenging
4
embarrassing
4
knotty
4
sticky
4
tall
4
thorny
4
troublesome
4
uncontrollable
4
unenviable
4
ungovernable
3
ambitious
3
catchy
3
delicate
3
fractious
3
hard-fought
3
herculean
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APASmart Define. (2016). difficult thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/difficult/thesaurus/related
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/related (accessed September 21, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/difficult/thesaurus/related>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/difficult/thesaurus/related>