intricate

Having many complexly arranged elements; elaborate.

Difficult to understand, analyze, or solve for having many interconnected elements. synonym: complex.

To render intricate or involved; make perplexing or obscure.

Perplexingly involved or entangled; hard to disentangle or disengage, or to trace out; complicated; obscure.

In entomology, having unequal elevations and depressions placed irregularly and close together, but without running into each other: said of a sculptured surface.