from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An area of ambiguity between two distinct states or conditions.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A region or context located in between others and therefore not subject to their norms.
  • noun figuratively a region in which surreal, supernatural, or fantastic events occur

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the ambiguous region between two categories or states or conditions (usually containing some features of both)
  • noun the lowest level of the ocean to which light can reach


from Wiktionary, Creative Commons Attribution/Share-Alike License

From the anthology television series The Twilight Zone, first aired in 1959.


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  • Merriam-Webster Dictionary:

    Date: 1909

    1 a: an area just beyond ordinary legal and ethical limits

    2: a world of fantasy, illusion, or unreality


    The Twilight Zone is a television anthology series created (and often written) by its narrator and host Rod Serling. Each episode (156 in the original series) is a self-contained fantasy, science fiction, or horror story, often concluding with an eerie or unexpected twist. Although advertised as science fiction, the show rarely offered scientific explanations for its fantastic happenings. It often had a moral lesson that pertained to everyday life.

    Throughout the various introductions for the original series, the Twilight Zone is described as another dimension. It is "a dimension not only of sight and sound but of mind," "a place of things and ideas," "between the pit of Man's fears, and the summit of his knowledge."


    January 26, 2008