Source : Webster's Revised Unabridged Dictionary (1913)

Labyrinthine \Lab`y*rin"thine\, a.
   Pertaining to, or like, a labyrinth; labyrinthal.

Source : WordNet®

labyrinthine
     adj 1: relating to or affecting or originating in the inner ear;
            "labyrinthine deafness"
     2: resembling a labyrinth in form or complexity; "a
        labyrinthine network of tortuous footpaths" [syn: {labyrinthian},
         {mazy}]
     3: 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" [syn: {Byzantine}, {convoluted}, {intricate}, {involved},
         {knotty}, {tangled}, {tortuous}]