Synonyms for Convoluted:

adj.

complex (adjective)
complicated, involved, obscure, intricate, meandering, abstruse, byzantine, perplexing, puzzling, involute, mysterious, tangled, difficult, complex.
complicated (adjective)
tangled, complex, elaborate, labyrinthine, tortuous, intricate, confused, puzzling, involved, perplexing, serpentine.
convoluted (adjective)
winding, circuitous, labyrinthine, tortuous, zigzag, meandering, coiled, twisting, serpentine, turning, whorled.

n.

confusing, confused, incomprehensible, contorted. convoluted (noun)
involved, tortuous, byzantine, knotty, coiled, intricate, tangled, complex, labyrinthine.

v.

convoluted (verb)
twisted, Meandered, winded, turned, wound.

Other synonyms:

Byzantine
byzantine.
Daedalian, Daedal, involute. detailed
elaborate.
Other relevant words:
confused, byzantine, involute, knotty, incomprehensible, Daedal, Daedalian, elaborate, confusing, tangled, contorted, bent.