Adjective labyrinthine has 3 senses
  1. labyrinthine - relating to or affecting or originating in the inner ear; "labyrinthine deafness"
  2. labyrinthine, labyrinthian, mazy - resembling a labyrinth in form or complexity; "a labyrinthine network of tortuous footpaths"
    Antonym: simple (indirect, via complex)
  3. Byzantine, convoluted, intricate, involved, knotty, labyrinthine, tangled, tortuous - highly involved or intricate; "the Byzantine tax structure"; "convoluted legal language"; "convoluted reasoning"; "intricate needlework"; "an intricate labyrinth of refined phraseology"; "the plot was too involved"; "a knotty problem"; "got his way by labyrinthine maneuvering"; "Oh, what a tangled web we weave"- Sir Walter Scott; "tortuous legal procedures"; "tortuous negotiations lasting for months"
    Antonym: simple (indirect, via complex)