Webster's Revised Unabridged Dictionary · 1913

Alien

Alien ({not transcribed}) , adjective

[Old French alien, Latin alienus, from 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
Collocations (1)
Alien enemy (Law) , one who owes allegiance to a government at war with ours. — Abbott

Alien , noun

1.
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.
2.
One excluded from certain privileges; one alienated or estranged; as, aliens from God's mercies.
Aliens from the common wealth of Israel. — Ephes. ii. 12

Alien , transitive verb

[French aliéner, Latin alienare.]

To alienate; to estrange; to transfer, as property or ownership. [Rare]
It the son alien lands. — Sir M. Hale
The prince was totally aliened from all thoughts of... the marriage. — Clarendon