Noun: twilight zone
- The ambiguous region between two categories, states or conditions (usually containing some features of both)
"but there is still a twilight zone, the tantalizing occurrences that are probably noise but might possibly be a signal"; "in the twilight zone between humour and vulgarity";
- no man's land
- The lowest level of the ocean to which light can reach
"Strange creatures adapt to the dim light of the ocean's twilight zone"
Derived forms: twilight zones
Type of: ambiguity, Davy Jones [informal], Davy Jones's locker, equivocalness, ocean bottom, ocean floor, sea bottom, sea floor, seabed
Encyclopedia: Twilight zone