also: グレー・ゾーン
gray zone; gray area
Refers to an ambiguous or borderline situation, area, or category that is neither clearly one thing nor another. Used in various contexts such as law, ethics, and classification.
その行為は法律のグレーゾーンに当たる。
That act falls into a legal gray zone.
この問題は白黒つけられないグレーゾーンだ。
This issue is a gray area that can't be judged simply as right or wrong.
This transaction falls into a legal gray area.
Some companies take advantage of gray areas in the tax system.
The new regulation eliminated the gray area.