grey zone BrE
gray zone AmE

I have no gray zone when it comes to this.

They could have included the gray zone in that case, but did not.

And I agree, that really does create a gray zone.

Because with a loved one, families don't want to hear about gray zones.

Today, they have improved, but are still in a gray zone.

There’s little comfort for those who want to find their way in the grey zone between the two.

Currently, foreign journalists work in something of a gray zone.

However, we know that there is a grey zone which leaves room for abuse.

Many patients, however, fall into a gray zone where the benefits of treatment are unclear.

We have entered a gray zone where my knowledge of the right ways does not govern.

The office party of the mid-90's falls in a gray zone between business and social occasions.

We want to do away with the grey zone.

What nobody feels 100 percent comfortable with is it's a grey zone you're going through.

We're in what amounts to a cheap hotel room just outside the gray zone.

I know what Tom means about a gray zone.

Like the next one, this put us into the gray zone for a lager test.

A grey zone remains in the classification of products as toys.

This problem is referred to in specialist literature as the grey zone.

'Grey Zone' is an important film because it tells a story that hasn't been told.

Once again, the woman is marooned - this time in the grey zone between the heart and the head.

The problem of the grey zone between relief and rehabilitation is well-known.

It is in that gray zone before a crisis.

During 2013 he was under media investigation regarding his property and links to some people from the gray zone of doing business.

But the group has also tested the limits of the gray zone it operates in.

There's already a grey zone in state-federal relations over resources.