Full of difficulty or confusion or bewilderment.

Roget 59a: gnarled, knarled^†.    complex, complexed; intricate, complicated, perplexed, involved, raveled, entangled, knotted, tangled, inextricable; irreducible.    ... show more

Roget 248: convoluted; winding, twisted etc. v.; tortile^†, tortive^†; wavy; undated, undulatory; circling, snaky, snake-like, serpentine; serpent, anguill^†, vermiform; vermicular; mazy, tortuous, sinuous, flexuous, anfractuous^†, reclivate^†, rivulose^†, scolecoid^†; sigmoid, sigmoidal [Geom.]; spiriferous^†, spiroid^†; involved, intricate, complicated, perplexed; labyrinth, labyrinthic^†, labyrinthian^†, labyrinthine; peristaltic; daedalian^†; kinky, knotted.    wreathy^†, frizzly, crepe, buckled; raveled etc. (in disorder) 59.    spiral, coiled, helical; cochleate, cochleous; screw-shaped; turbinated, turbiniform^†.    ... show more

Roget 519: unintelligible, unaccountable, undecipherable, undiscoverable, unknowable, unfathomable; incognizable^†, inexplicable, inscrutable; inapprehensible^†, incomprehensible; insolvable^†, insoluble; impenetrable.    illegible, as Greek to one, unexplained, paradoxical; enigmatic, enigmatical, puzzling (secret) 533; indecipherable.    obscure, dark, muddy, clear as mud, seen through a mist, dim, nebulous, shrouded in mystery; opaque, dense; undiscernible etc. (invisible) 447^†; misty etc. (opaque) 426; hidden etc. 528; latent etc. 526.    indefinite, garbled etc. (indistinct) 447; perplexed etc. (confused) 59; undetermined, vague, loose, ambiguous; mysterious; mystic, mystical; acroamatic^†, acroamatical^†; metempirical; transcendental; occult, recondite, abstruse, crabbed.    inconceivable, inconceptible^†; searchless^†; above comprehension, beyond comprehension, past comprehension; beyond one's depth; unconceived.    inexpressible, undefinable, incommunicable.    unpredictable, unforeseeable.    ... show more

Dutch: perplex, verbijsterd