- The state of not being alive. Having the property of lifelessness, as if dead.
- A lack of elasticity.
- He complained that the deadness of the balls affected his game.
- A lack of sparkle in a fizzy drink.
- The deadness of the champagne made it undrinkable.
- A lack of animation in a person.
- The deadness of his expression told everything, without him having to speak.
dead + -ness