twilight zones

Noun (1)

twilight zone (plural twilight zones)

1. A moving line that divides the daylit side and the dark night side of a planetary body.

   Synonyms:

   terminator

2. (broadly, figuratively) A region or context located in between others and therefore not subject to their norms.
   • As to this right, therefore, the people have expressly created a twilight zone, in which neither nation nor state can act.1911, Case and Comment

   Synonyms:

   shadowland

3. A deteriorating area surrounding a central business district.
   • Geographically speaking, the twilight zone encompasses those areas that lie between the central business district and the first ring of suburban shopping centers, many of which are comparatively obsolete.2012, George Sternlieb, James W. Hughes, Shopping Centers: U.S.A., page 52
4. Synonym of mesopelagic zone (“the part of the ocean where there is very minimal light, located below the photic epipelagic zone but above the aphotic bathypelagic zone.”).

   Synonyms:

   mesopelagic zone

Noun (2)

twilight zone (plural twilight zones)

1. (figuratively) A region in which surreal, supernatural, or fantastic events occur.
   • Oh, I can't talk right now, Duke. I'm in the twilight zone.1996 Christopher Lloyd, "Mixed Doubles," Frasier, Season 4, Episode 6 (originally aired 19 November 1996), spoken by Martin Crane (John Mahoney)

See all 9 meanings of twilight zone