137 entries under complicated topic. ×

18
sensitive(adjective, hard, difficult, delicate, complex)
14
convoluted(adjective, hard, simple, fancy, obscure)
14
entangled(verb, adjective, hard, fancy, difficult)
11
confused(verb, adjective, obscure, complex, sophisticated)
10
tortuous(adjective, obscure, difficult, complex, sophisticated)
8
abstruse(adjective, hard, fancy, obscure, difficult)
8
obscure(adjective, hard, difficult, complex, sophisticated)
8
perplexing(adjective, hard, fancy, obscure, difficult)
6
confounded(verb, adjective)
6
deep(adjective, hard, obscure, complex, full)
6
puzzling(adjective, hard, fancy, obscure, difficult)
6
snarled(verb, adjective, obscure, sophisticated, unsettled)
5
confusing(adjective, hard, complex, tricky)
5
recondite(adjective, hard, fancy, obscure, difficult)
4
baffling(adjective, hard, difficult, complex, awkward)
4
busy(adjective, happy, energetic, lively, active)
4
mixed(adjective, hard, fancy, obscure, difficult)
4
subtle(adjective, hard, obscure, complex, tricky)
3
detailed(adjective, complex, intricate, daedal)
3
enigmatic(adjective, hard, obscure, sophisticated, tricky)
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APASmart Define. (2015). involved thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/involved/thesaurus/synonyms
ChicagoSmart Define. 2015. "involved thesaurus" https://smartdefine.org/involved/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, involved thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/involved/thesaurus/synonyms>.
MLASmart Define. "involved thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/involved/thesaurus/synonyms>