unbreathable

One thing is certain; we did everything to make our air unbreathable.

What about the unbreathable air in cities around the world?

Inside, it was so heavy as to be almost unbreathable.

The caves have now been closed because the air inside is unbreathable.

"I have been told that even 12 years ago the air was unbreathable.

The air was thick with death and decay, almost unbreathable.

I was dragging in air that felt thick and unbreathable.

"The request also came from many prisoners who found the air to be unbreathable," he said.

I predict we have approximately seven minutes before the air in here becomes unbreathable.

In the low gravity, the air quickly filled with unbreathable mist.

We came to a waterless world with an unbreathable atmosphere.

She succeeded in filling the room with an unbreathable cloud.

The air in the darkened hold was almost unbreathable.

Their atmosphere's unbreathable by us and there's probably a limitless number of other things wrong.

Twenty years ago, each one of these deep caves was nothing but unbreathable air and dark, empty rock.

They claim that if something isn't done quick, the air will be unbreathable in twenty-six years and a half.

We had put out our lantern because it made the air in that confined space almost unbreathable.

The relaxation became dismay a few minutes later, when the air grew so close as to be almost unbreathable.

The air was already unbreathable with heat and wet, but the boards were far hotter.

Fifty years later, the world was plagued by disasters and over time, the air became unbreathable.

Inside the Legion it was very noisy and the air unbreathable with smoke.

But well over half the air in this ship, from here right aft, is already practically unbreathable.

The devices that keep your air clean and Krantin's unbreathable?

It was unbreathable still, but there was oxygen, ten percent and growing.

The air in the compartment was unbreathable, though Arkady knew he'd get used to it.