The state or quality of being dead; lifelessness. The deadness of the forest was unsettling, with not a single sound to be heard.
Lack of vitality, spirit, or animation. The deadness in his eyes suggested he had lost all hope.
A state of inactivity or lack of progress. The deadness of the economy was a major concern for the government.
Absence of sensation or feeling. She felt a deadness in her fingers after being out in the cold for too long.
The quality of lacking resonance or liveliness in sound; dullness of tone. The heavy curtains added to the deadness of the room’s acoustics.