WordNet (r) 3.0 (2006):

curvy
    adj 1: having curves; "a settee with only one curvy end" [syn:
           curvy, curvey]
    2: (of a woman's body) having a large bosom and pleasing curves;
       "Hollywood seems full of curvaceous blondes"; "a curvy young
       woman in a tight dress" [syn: bosomy, busty, buxom,
       curvaceous, curvy, full-bosomed, sonsie, sonsy,
       stacked, voluptuous, well-endowed]

Moby Thesaurus II by Grady Ward, 1.0:

78 Moby Thesaurus words for "curvy":
   Junoesque, agreeable, amply endowed, becoming, bendy, bent,
   billowing, billowy, bonny, braw, built, built for comfort, buxom,
   callipygian, callipygous, chevronwise, chevrony, comely, crankled,
   crooked, curvaceous, curvate, curvated, curve, curved, curvesome,
   curviform, curvilineal, curvilinear, curving, fair, flexuous,
   geosynclinal, goddess-like, good-looking, goodly, hairpin,
   incurvate, incurvated, incurved, incurving, labyrinthine, likely,
   lovely to behold, mazy, meandering, personable, pleasing,
   pneumatic, presentable, recurvate, recurvated, recurved, recurving,
   rounded, serpentine, shapely, sightly, sinuous, slender, stacked,
   staggered, statuesque, tortuous, twisty, undulant, wavy,
   well-built, well-developed, well-favored, well-formed, well-made,
   well-proportioned, well-shaped, well-stacked, zigzag, zigzaggy,
   zigzagways