alien

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Owing political allegiance to another country or government; foreign: alien residents.
2. adj. Belonging to, characteristic of, or constituting another and very different place, society, or person; strange. See Synonyms at foreign.
3. adj. Dissimilar, inconsistent, or opposed, as in nature: emotions alien to her temperament.
4. n. An unnaturalized foreign resident of a country. Also called noncitizen.
5. n. A person from another and very different family, people, or place.
6. n. A person who is not included in a group; an outsider.
7. n. A creature from outer space: a story about an invasion of aliens.
8. n. Ecology An organism, especially a plant or animal, that occurs in or is naturalized in a region to which it is not native.
9. v. Law To transfer (property) to another; alienate.

Century Dictionary and Cyclopedia

1. Residing under another government or in another country than that of one's birth, and not having rights of citizenship in such place of residence: as, the alien population; an alien condition.
2. Foreign; not belonging to one's own nation.
3. Wholly different in nature; estranged; adverse; hostile: used with to or from.
4. n. A foreigner; one born in or belonging to another country who has not acquired citizenship by naturalization; one who is not a denizen, or entitled to the privileges of a citizen. In France a child born of residents who are not citizens is an alien. In the United States, as in Great Britain, children born and remaining within the country, though born of alien parents, are, according to the better opinion, natural-born citizens or subjects; and the children of citizens or subjects, though born in other countries, are generally deemed natural-born citizens or subjects, and if they become resident are entitled to the privileges of resident citizens; but they also may, when of full age, make declaration of alienage. See citizen.
5. n. A stranger.
6. n. An English statute of 1836 (6 and 7 Wm. IV. c. 11) providing for the registration of aliens; and one of 1844 (7 and 8 Vict. c. 66) allowing aliens from friendly nations to hold real and personal property for purposes of residence, and resident aliens to become naturalized.
7. n. An English statute of 1847 (10 and 11 Vict. c. 83) concerning naturalization.
8. To transfer or convey to another; make over the possession of: as, to alien a title or property. In this sense also written aliene.
9. To make averse or indifferent; turn the affections or inclinations of; alienate; estrange.

Wiktionary

1. n. A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.
2. n. A foreigner residing in a country.
3. n. Any life form of extraterrestrial origin.
4. adj. Pertaining to an alien.
5. adj. Very unfamiliar, strange, or removed.
6. v. To estrange; to alienate.
7. v. To transfer the ownership of something.

GNU Webster's 1913

1. adj. Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign.
2. adj. Wholly different in nature; foreign; adverse; inconsistent (with); incongruous; -- followed by from or sometimes by to.
3. n. 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.
4. n. One excluded from certain privileges; one alienated or estranged.
5. v. To alienate; to estrange; to transfer, as property or ownership.

WordNet 3.0

1. n. a form of life assumed to exist outside the Earth or its atmosphere
2. adj. being or from or characteristic of another place or part of the world
3. adj. not contained in or deriving from the essential nature of something
4. v. transfer property or ownership
5. n. a person who comes from a foreign country; someone who does not owe allegiance to your country
6. v. arouse hostility or indifference in where there had formerly been love, affection, or friendliness
7. n. anyone who does not belong in the environment in which they are found