jagged

jagged
/ˈdʒægɪd; `dʒæɡɪd/ adj
with rough, uneven, often sharp, edges; notched 边缘不整齐的（常为锐利的）; 有V形缺口的
    jagged rocks 犬牙交错的岩石
    a piece of glass with a jagged edge 边缘参差不齐的玻璃.

牛津英汉双解词典