labyrinthine UK /ˌlab.əˈɹɪn.θʌɪn/US /ˌlæb.əˈɹɪn.θɪn/ adjective3 •Physically resembling a labyrinth; with the qualities of a maze.As our train to Paris dashed through the labyrynthine flyovers at Porchefontaine, barely a mile from Versailles, the 75 m.p.h. limit was already almost attained. — 1961 •(figurative) Convoluted, baffling, confusing, perplexing.Mamet, like one of his characters, invents a labyrinthine, convoluted spiel leading nowhere, and like a magician distracts us with his words while elaborately not producing a rabbit from his hat. — 1996 •Relating to the labyrinth of the inner ear. formsmore labyrinthine · most labyrinthine