1. the state of being without life or appearing dead
2. the quality of lacking energy, spirit, or animation

Examples

• The lifelessness of the abandoned town was eerie.
• Her eyes showed a disturbing lifelessness after the tragedy.
• The lifelessness of his performance disappointed the audience.
• The desert’s apparent lifelessness hides many creatures.
• The lifelessness in her voice worried her friends.
• Critics noted the lifelessness of the film’s dialogue.
• The lifelessness of the party made everyone leave early.