dead zone

Meaning

1. An area with no life.
2. An area of the ocean where oxygen levels are too low to support life, especially as a result of pollution.
3. A region where mobile phones do not operate because there is no base station or repeater nearby.
4. Part of the field, entered by a player when they are on their opponent's side of the field but kicking a field goal would probably be unsuccessful and punting the ball would not dramatically change field position.
5. Area near a fortification that is relatively sheltered from defending fire, because direct fire from other parts of the walls cannot be directed around a curved wall.
6. A region within the player's viewpoint that is less sensitive to small movements, aiding accurate firing of weapons etc.

Synonyms

dead band

dead ground

dead space

neutral zone

blind area

blind zone

skip area

zone of silence

blackout area

blind spot

silencing region