Labyrinthine

/ˌlæbəˈrɪnθiːn/ adjective medium

Extremely complicated and winding, like the passages of a maze.

Navigating the labyrinthine tax code required hiring a specialist.

Memory Trick

Comes straight from 'labyrinth,' the mythical maze built to trap the Minotaur — labyrinthine things twist and confuse just as badly.