The Collaborative International Dictionary
Labyrinthical
Labyrinthic \Lab`y*rin"thic\, Labyrinthical \Lab`y*rin`thic*al\, a. [L. labyrinthicus: cf. F. labyrinthique.] Like or pertaining to a labyrinth.
Wiktionary
labyrinthical
a. labyrinthine; like or relating to a labyrinth