Al″ien (�), a. [OF. alien, L. alienus, fr. alius another; properly, therefore, belonging to another. See Else.] 1. Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign; as, alien subjects, enemies, property, shores.
2. Wholly different in nature; foreign; adverse; inconsistent (with); incongruous; — followed by from or sometimes by to; as, principles alien from our religion.
An alien sound of melancholy.
Wordsworth.
Alien enemy(Law), one who owes allegiance to a government at war with ours. Abbott.