no man's land

Noun (3)

1. an unoccupied area between the front lines of opposing armiesType of area, country
2. land that is unowned and uninhabited (and usually undesirable)Type of land
3. the ambiguous region between two categories or 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 humor and vulgarity”“in that no man's land between negotiation and aggression”Synonyms: twilight zoneType of ambiguity, equivocalness