elliptical

Having admitted that the projectile was describing an orbit around the moon, this orbit must necessarily be elliptical; science proves that it must be so.

If he is sometimes elliptical and obscure, it is because he has so much to tell us.

Browning's dark and elliptical mode of speech, like his love of the grotesque, was simply a characteristic of his, a trick of his temperament, and had little or nothing to do with whether what he was expressing was profound or superficial.