nonspherical

/nɑnˈsfɪrɪkəl/
adjective
  1. Not shaped like a sphere; not round in all directions.
    • In the game, players had to stack nonspherical blocks that wouldn't roll away.
    • Most asteroids are nonspherical, with irregular, lumpy shapes.
    • The artist preferred nonspherical beads for her jewelry to create an uneven texture.