He sighed, and looked at me with unutterable sadness.

The subject fills me with such unutterable sadness that I cannot bear to write about it.

Once more she felt a wave of unutterable sadness.

She paused, a look of unutterable sadness crossing her face.

His heart broke in unutterable sadness.

Rowena, however, had an unutterable sadness on her face as she looked up at Quentin.

At last the breath went from him in an almost inaudible sigh, and he turned to me, a look of unutterable sadness in his eyes.

His eyes were misty with an unutterable sadness.

An unutterable sadness filled him at the thought that he had lost her all over again.

His face was filled with an unutterable sadness.