The Collaborative International Dictionary of English v.0.48:
Labyrinthine \Lab`y*rin"thine\, a. Pertaining to, or like, a labyrinth; labyrinthal; labyrinthian. [1913 Webster]WordNet (r) 3.0 (2006):
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: labyrinthine, labyrinthian, mazy]