114 entries under hard topic. ×

19
hard to understand(expression, adjective, idiom, difficult)
19
impossible(adjective, difficulty, difficult, complex)
19
inextricable(adjective, difficult, complex, complexity)
19
multiplex(adjective, difficult, complex)
19
painful(adjective, difficult, complex)
19
profound(adjective, difficult, complex)
19
serious(adjective, difficult, complex, awkward)
19
tangly(adjective, difficult, complex)
19
toilful(adjective, difficult, complex, awkward)
18
multiple(adjective, difficult, complex)
18
operose(adjective, difficult, complex, awkward)
18
precarious(adjective, difficult, complex)
18
sheer(adjective, fancy, difficult, delicate)
18
stubborn(adjective, difficulty, difficult, complex)
18
troubled(adjective, upset, difficult, complex)
17
tangled(verb, adjective, simple, obscure)
11
perplexing(adjective, obscure, difficult, delicate)
10
puzzling(adjective, evil, obscure, difficult)
9
entangled(verb, adjective, obscure, difficult)
7
abstruse(adjective, evil, obscure, difficult)
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APASmart Define. (2016). complicated thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/complicated/thesaurus/synonyms
ChicagoSmart Define. 2016. "complicated thesaurus" https://smartdefine.org/complicated/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, complicated thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/complicated/thesaurus/synonyms>.
MLASmart Define. "complicated thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/complicated/thesaurus/synonyms>