torturous, arduous, laborious, convoluted, grueling, protracted, tedious, labyrinthine, lengthy, circuitous, excruciating, agonizing, interminable, painful, messy, exhausting, painstaking, hellish, complicated, acrimonious, harrowing, bewildering, byzantine, bumpy, nightmarish, perilous, sisyphean, rancorous, treacherous, labyrinthian, exasperating, toilsome, maddening, stormy, tiresome, chaotic, tricky, tumultuous, rocky, frustrating, kafkaesque, bizarre, tempestuous, fruitless, fitful, contentious, thorny, farcical, desultory, wrenching, wearisome, knotty, enervating, purgatorial, daunting, turbulent, serpentine, dizzying, unpleasant, strenuous, unedifying, cumbersome, inglorious, ignominious, fractious, sordid, gruelling, confusing, brutal, murkiest, disastrous, turgid, bitter, winded, hectic, rutted, shambolic, unilluminating, futile, unendurable, ruinous, monotonous, tense, difficult, exhaustive, terrifying, anticlimactic, unrelieved, muddled, wretched, disillusioning, eventful, ponderous, baffling, challenging, twisty, joyless, unrewarding, endless, zigzag, humiliating, anguishing, devious, sinuous, roundabout, zag, traveled, charted, clogged, mazy, obstructed, quickest, corkscrew, crooked

contortion, crookedness, labyrinthine, torsion, tortuosity, tortuously, tortuousness, varicosity

byzantine, complex, convoluted, crooked, indirect, intricate, involved, knotty, labyrinthine, tangled, twisting, twisty, winding