Lacking in vitality or emotion; cold or unfeeling. Her bloodless response to the tragic news surprised everyone.
Without bloodshed; achieved without violence. The revolution was surprisingly bloodless, with no casualties reported.
Pale or lacking in color, often due to illness or fear. His face turned bloodless when he heard the frightening noise.
Devoid of blood; containing no blood. Certain Antarctic fish are virtually bloodless, lacking hemoglobin entirely.