To convert metallic mercury into a grey powder made up of tiny globules, typically by shaking with chalk or fatty oil, deadening its original form.

To make something less lively, intense, or vigorous; to deaden.

To lose liveliness, intensity, or activity; to become lifeless or less lively.

To make less intense or strong, to reduce the impact or effect of something, to dampen or diminish the force or energy of a situation.

To make something dull, lifeless, or less intense; to deprive of vitality or energy; to dampen or reduce the liveliness or impact of something.

To deaden means to cut a girdle around a plant, interrupting its circulation of water and nutrients, ultimately causing it to die.

To make something less clear, distinct, or noticeable; to dampen or lessen the intensity or visibility of an image or sensation.

Reduced in intensity or strength, muted or dulled in effect or feeling.

Lacking physical responsiveness or sensation; devoid of life or vitality.