They looked at each other and laughed briefly, almost without humor.

He tilted his head back and laughed without sound at the sky.

He laughed, without humor but with the understanding of irony.

She shook her head and looked down at the ground, laughing softly without humor.

Marty, we cannot imagine laughing at any family event without you.

The two soldiers were laughing quietly, the one without a cigarette again looking at his watch.

He laughed without inhibition until tears came to his eyes.

The excitement was still high in both of them, and they laughed together without reason.

Like knives in my lungs, I thought, then laughed without humor.

Then Clare's face made an appearance in her consciousness, laughing without sound.