There was an almost unbearable sadness in her voice, as though she'd decided to admit defeat.

He hesitated, a mix of almost unbearable sadness and disgust welling up inside him.

And the idea that my own son, not yet even born, would be the one to kill me filled me with unbearable sadness.

He felt the beginning of an awful anger, an unbearable sadness, suppressed it.

Instead, I felt a wave of almost unbearable sadness.

We have to help people who are suffering from this unbearable sadness.

And guilt and an almost unbearable sadness were added to them.

The thought that there are laws in these matters filled him with a sadness almost unbearable.

The thought filled me with an unbearable sadness.

Although the film has "an almost unbearable sadness" it is not bleak.