(a.) Bending in and out; of a serpentine or undulating form; winding; crooked\.

ambagious anfractuous bent billowing billowy circuitous circumlocutory convoluted convolutional curvaceous curvate curvated curve curved curvesome curviform curvilineal curvilinear curving curvy flexuose flexuous geosynclinal incurvate incurvated incurved incurving involute involuted involutional labyrinthine mazy meandering meandrous recurvate recurvated recurved recurving rivose rivulose roundabout ruffled serpentine sinuate sinuose snake-shaped snaky torsional tortile tortuous turning twisted twisting twisty undulant wavy whorled winding wreathlike wreathy