Source : Webster's Revised Unabridged Dictionary (1913)

Labyrinthian \Lab`y*rin"thi*an\, a.
   Intricately winding; like a labyrinth; perplexed;
   labyrinthal.

Source : WordNet®

labyrinthian
     adj : resembling a labyrinth in form or complexity; "a
           labyrinthine network of tortuous footpaths" [syn: {labyrinthine},
            {mazy}]