Extraterrestrial vs. Alien — What's the Difference?

Originating, located, or occurring outside Earth or its atmosphere

Owing political allegiance to another country or government; foreign

An extraterrestrial being or life form.

Belonging to, characteristic of, or constituting another and very different place, society, or person; strange.

Originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment.

Dissimilar, inconsistent, or opposed, as in nature

A being originating from outside of the Earth's atmosphere, from space, or from another planet; an alien

An unnaturalized foreign resident of a country. Also called noncitizen.

Originating or located or occurring outside Earth or its atmosphere; as, there is no clear evidence for extraterrestrial life.

A person from another and very different family, people, or place.

A hypothetical form of life existing outside the Earth or its atmosphere, especially intelligent life on other planets or in other solar systems; as, what would you say to an extraterrestrial?.

A person who is not included in a group; an outsider.

A form of life assumed to exist outside the Earth or its atmosphere

A creature from outer space

Originating or located or occurring outside Earth or its atmosphere;

(Ecology) An organism, especially a plant or animal, that occurs in or is naturalized in a region to which it is not native.

To transfer (property) to another; alienate.

A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration.

A person in a country not their own.

Any life form of extraterrestrial or extradimensional origin.

One excluded from certain privileges; one alienated or estranged.

Not belonging to the same country, land, or government, or to the citizens or subjects thereof; foreign.

Very unfamiliar, strange, or removed.

Pertaining to extraterrestrial life; typical of an extraterrestrial creature.

(transitive) To estrange; to alienate.

(law) To transfer the ownership of something.

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.

A person who comes from a foreign country; someone who does not owe allegiance to your country

Anyone who does not belong in the environment in which they are found

A form of life assumed to exist outside the Earth or its atmosphere

Transfer property or ownership;

Arouse hostility or indifference in where there had formerly been love, affection, or friendliness

Not contained in or deriving from the essential nature of something;

Being or from or characteristic of another place or part of the world;