labyrinth

noun

1 a labyrinth of little streets:

maze, warren, network, complex, web, coil, entanglement.

2 the labyrinth of conflicting laws and regulations:

tangle, web, morass, jungle, snarl, twist, turn, complexity, confusion, complication, entanglement, convolution, intricacy;

jumble, mishmash, hotchpotch, hodgepodge;

archaic perplexity.

labyrinth Oxford Dictionary of English