not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign; as, alien subjects, enemies, property, shores.-wholly different in nature; foreign; adverse; inconsistent (with); incongruous; -- followed by from or sometimes by to; as, principles alien from our religion.-a foreigner; one owing allegiance, or belonging, to another country; a foreign-born resident of a country in which he does not possess the privileges of a citizen. hence, a stranger. see alienage.-one excluded from certain privileges; one alienated or estranged; as, aliens from god's mercies.-to alienate; to estrange; to transfer, as property or ownership.