extraterrestrial

As nouns the difference between mystery and extraterrestrial

is that mystery is something secret or unexplainable; an unknown while extraterrestrial is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As an adjective extraterrestrial is

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

As adjectives the difference between extraterrestrial and outer

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while outer is outside; external.

As nouns the difference between extraterrestrial and outer

is that extraterrestrial is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien while outer is an outer part or outer can be someone who admits to something publicly.

As adjectives the difference between extraterrestrial and otherworldly

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while otherworldly is of, concerned with, or preoccupied with a different world than that of the tangible here and now, such as a heavenly, spiritual, or imaginary world.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and false

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while false is (label) one of two states of a boolean variable; logic.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between existential and extraterrestrial

is that existential is of, or relating to existence while extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment.

As a noun extraterrestrial is

a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and undefined

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while undefined is lacking a definition or value.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and interstellar

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while interstellar is between the stars.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and cosmic

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while cosmic is cosmic.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and subterranean

is that extraterrestrial is originating from outside of the earth's atmosphere, from space, or from another planet; alien to earth or its environment while subterranean is below ground, under the earth, underground.

As a noun extraterrestrial

is a being originating from outside of the earth's atmosphere, from space, or from another planet; an alien.

As adjectives the difference between extraterrestrial and interdimensional

is that extraterrestrial is originating from outside of the Earth's atmosphere, from space, or from another planet; alien to Earth or its environment while interdimensional is between dimensions.

As a noun extraterrestrial

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