1. the state or quality of lacking fresh air or proper ventilation
2. the condition of being in a vacuum or space without air
Usage: technical

Examples

• The airlessness of the basement made it uncomfortable to work there.
• She opened the windows to combat the airlessness in the stuffy room.
• The airlessness of the crowded subway car was overwhelming.
• Astronauts must protect themselves from the airlessness of space.
• The meeting room’s airlessness made everyone feel drowsy.
• Proper ventilation systems prevent airlessness in large buildings.