126 entries under complicated topic. ×

3
hidden(verb, adjective, hard, obscure, difficult)
3
jumbled(adjective, difficult, involved, dense)
3
mystifying(adjective, hard, difficult, delicate, awkward)
3
ornamented(adjective, fancy, exact, involved, busy)
2
ambiguous
2
awkward(difficult, delicate, unpleasant, tricky)
2
careful(adjective, fancy, exact, involved, busy)
2
embellished(adjective, fancy, exact, involved, busy)
2
exact(adjective, fancy, involved, busy)
2
many-faceted(adjective, fancy, exact, involved, busy)
2
paradoxical(adjective, hard, difficult, delicate, tricky)
2
precise(adjective, fancy, exact, sensitive, intelligent)
2
problematical(adjective, hard, difficult, delicate, loose)
2
rambling(adjective, hard, difficult, tricky)
2
refined(adjective, fancy, obscure, exact, involved)
2
showy(adjective, fancy, exact, involved, busy)
2
touchy(delicate, awkward)
2
uncertain(adjective, upset, anxious, worried, shaky)
2
various(adjective, hard, fancy, difficult, deep)
1
changing(adjective, upset, uncertain, anxious, worried)
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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>