Last Updated：2025/11/20

(idiomatic) An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.

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grey area

Source Word

grey area

idiomatic

(idiomatic) An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.

Japanese Meaning

明確な区分が困難なあいまいな領域 / 二つの排他的な状態やカテゴリーの中間に位置する、境界が不明瞭な領域

The new regulation created a grey area between personal and corporate liability, leaving lawyers to argue the boundaries.

新しい規制は個人責任と法人責任の間にグレーゾーンを生み出し、弁護士がその境界をめぐって議論する結果になった。

Sense（1）

(idiomatic) An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.

It exists in a grey area between legal and illegal.

Sense（2）

(idiomatic) A topic that is not clearly one thing or the other, that is open to interpretation.

Fame is a grey area[.]

grey areas

（ plural ）