Definitions:

1. Describes something that is intricately complex, confusing, or maze-like. ADJECTIVE
   • The labyrinthine streets of the old town made it easy to lose one's way.
2. Resembling a labyrinth in form or complexity. ADJECTIVE
   • The ancient temple had a labyrinthine structure, with hidden chambers and secret tunnels.

Synonyms:

• complex
• convoluted
• intricate
• labyrinthian
• maze-like
• mazy
• winding