Dictionary.com
definitions
  • synonyms

twilight zone

See more synonyms for twilight zone on Thesaurus.com
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.
Show More

Origin of twilight zone

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for twilight zone

twilight zone

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
Show More
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