Existing or situated beyond or above the moon, or beyond the orbit or (supposed) sphere of the moon (now chiefly historical). Also figurative…

In extended use: of or relating to the intellect or imagination. Obsolete. rare.

Usually with hyphen. Of or relating to a world other than this; unearthly; heavenly; otherworldly.

otherworldly.

Of, relating to, or characteristic of Ruritania, esp. with reference to romantic adventure and intrigue. More generally: of or relating to any…

Of or relating to the star Vega, or the (imagined) inhabitants of its solar system.

Of or relating to secondary or subordinate creation, or an instance of this; spec. of or relating to subcreation, n. 2.