7
obsession(noun, worry, passion, desire, anxiety)
7
ornate(adjective, fancy, exact, involved, busy)
7
recondite(adjective, hard, fancy, obscure, difficult)
7
snarled(adjective, difficult, complicated)
7
tangle
6
delicate(adjective, hard, awkward, tricky, complicated)
6
enigmatic(adjective, hard, obscure, difficult, tricky)
6
mania(noun, passion, desire, thing, enthusiasm)
6
manifold(adjective, involved, abundant, intricate, various)
6
network(noun, organization, system, arrangement, construction)
6
phobia(noun, worry, passion, desire, anxiety)
5
Daedalian(adjective, simple, caught, multiplex, daedal)
5
Rococo(adjective, sophisticated, involved, elaborate, complicated)
5
amalgamated(adjective, union, unity, amalgamation, joining)
5
bewildering(adjective, hard, difficult, involved, tricky)
5
blended(adjective, union, unity, amalgamation, joining)
5
combined(adjective, union, unity, amalgamation, joining)
5
demanding(adjective, difficult, tedious, onerous, tiring)
5
edifice
5
formidable(adjective, hard, difficult, delicate, heavy)
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APASmart Define. (2016). complex thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/complex/thesaurus/synonyms
ChicagoSmart Define. 2016. "complex thesaurus" https://smartdefine.org/complex/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, complex thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/complex/thesaurus/synonyms>.
MLASmart Define. "complex thesaurus" 11 January 2016. Web. 20 September 2026. <https://smartdefine.org/complex/thesaurus/synonyms>