1) Complex 2) Complex topic calmed, somehow 3) Convoluted 4) Detailed 5) Difficult 6) Drawn-out 7) Elaborate 8) Highly structured 9) Intricate 10) Involved 11) Long-winded 12) Obscure 13) Sophisticated 14) Tortuous 1) Complex 2) Convoluted 3) Difficult 4) Elaborate 5) Hard 6) Intricate 7) Messy 8) Stylish 9) Tricky 
• (imp. & p. p.) of Complicate
Made complex; denoting a disease upon which a morbid process or event has been superimposed, altering symptoms and modifying its course for the worse. ... Origin: L. Com-plico, pp. -atus, to fold together ... (05 Mar 2000) ... 
Type: Term Pronunciation: kom′pli-kā′ted Definitions: 1. Made complex; denoting a disease on which a morbid process or event has been superimposed, thus altering symptoms and modifying its course for the worse.
[adj] - difficult to analyze or understand
adjective difficult to analyze or understand; `a complicated problem`; `complicated Middle East politics`
composed of elaborately interconnected parts; complex: complicated apparatus for measuring brain functions. · difficult to analyze, understand, explain, etc.: a complicated problem.