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Synonyms

twilight zone

American  

noun

  1. the lowest level of the ocean that light can reach.

  2. an ill-defined area between two distinct conditions, categories, etc., usually comprising certain features of both; an indefinite boundary.

    a twilight zone between fantasy and reality.


twilight zone British  

noun

  1. any indefinite or transitional condition or area

  2. an area of a city or town, usually surrounding the central business district, where houses have become dilapidated

  3. the lowest level of the ocean to which light can penetrate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of twilight zone

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“An officer could simply invent an accusation of criminality, leaving the green-card holder trapped in a bureaucratic twilight zone for years before they have a chance to rebut the accusation at a hearing,” Mark writes.

From Slate ● Jun. 25, 2026

Down in the backrooms twilight zone, there’s a glitchy-looking wall splashed over with distorted “McKee Road” signs.

From Salon ● Jun. 8, 2026

"It almost felt like being in the twilight zone," he added.

From BBC ● Feb. 23, 2026

They mostly live in the ocean’s twilight zone where light rarely reaches, typically considered 650 to 3,000 feet below the water’s surface.

From Los Angeles Times ● Dec. 12, 2025

Dimple felt like she was in the twilight zone.

From "When Dimple Met Rishi" by Sandhya Menon

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