elliptical
adjective uk/iˈlɪp.tɪ.kəl/ us/iˈlɪp.tɪ.kəl/
(SHAPE)
(also elliptic, /iˈlɪp.tɪk/ /iˈlɪp.tɪk/)椭圆（形）的
having an oval shape
(LANGUAGE)
formal（语言等）省略的，晦涩的，隐晦的
Elliptical language has parts missing, so that it is sometimes difficult to understand.
His message was written in a deliberately elliptical style. 他的留言故意写得很隐晦。