a. rare. [Formed as prec. + -AL.] = prec.
1628. Donne, Serm., xlviii. 486. Poor intricated Soule! Riddling perplexed labyrinthical Soule.
1670. Swan, Spec. Mundi, 449. The ears be like certain doors, with Labyrinthical entries, and crooked windings.
1681. H. More, Expos. Dan., Pref. 19. I preferred it before what was more operose, intricate and labyrinthical.
1879. [Lingham], Science of Taste, v. 141. Our laws are a labyrinthical fabric of artificial and incomprehensible complexity.
Hence Labyrinthically adv.
1849. Carlyle, Irish Journ., 115. The muddy meanders of Cork harbour labyrinthically indenting it.