View synonyms for twilight zone

twilight zone

noun

the lowest level of the ocean that light can reach.
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

any indefinite or transitional condition or area
an area of a city or town, usually surrounding the central business district, where houses have become dilapidated
the lowest level of the ocean to which light can penetrate

First recorded in 1905–10

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