Meaning & Definition of word "Extraterrestrial"

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    Extraterrestrial

    /ˌɛkstrətəˈrɛstriəl/

    noun:

    • 1. A hypothetical or fictional being from outer space.
      • Example: Many people believe that extraterrestrials have visited Earth throughout history.
    • 2. An inhabitant of a planet other than Earth.
      • Example: The discovery of new exoplanets raises the possibility of extraterrestrial civilizations.

    adjective:

    • 1. Of or from outside the Earth or its atmosphere.
      • Example: Scientists are searching for extraterrestrial life forms on distant planets.
    • 2. Relating to or denoting beings or phenomena that originate beyond Earth.
      • Example: The movie featured extraterrestrial beings visiting Earth.

    Etymology

    The word comes from the Latin 'extra' meaning 'outside' and 'terrestris' meaning 'earthly'.

    Common Phrases and Expressions

    extraterrestrial intelligence:

    The hypothetical existence of intelligent life beyond Earth.

    extraterrestrial life:

    Life forms that may exist outside our planet.

    Related Words

    alien:

    A being from another planet.

    UFO:

    An unidentified flying object, often associated with extraterrestrial life.

    Slang Meanings of extraterrestrial

    Meaning: ET

    Example Sentence: Some people believe that ETs visit Earth and interact with humans.

    Meaning: space dude

    Example Sentence: He often talks about meeting a space dude who gave him insights about the universe.