1. the quality or state of being suitable or fit for human habitation
Usage: formal; often used in environmental or real estate contexts

Examples

• The habitableness of the planet depends on the presence of water and a stable atmosphere.
• Engineers assessed the habitableness of the old building before renovation.
• Climate change threatens the habitableness of coastal regions.
• The habitableness of the new housing development was questioned by environmental groups.
• Scientists study the habitableness of Mars for future colonization.