1. the quality of having a strong, unpleasant smell
2. the quality of being luxuriant or overgrown in growth
3. the quality of being extreme or excessive in degree

Examples

• The rankness of the garbage made everyone cover their noses.
• We could smell the rankness of the swamp from miles away.
• The rankness of the weeds in the abandoned lot was overwhelming.
• The garden’s rankness showed it hadn’t been tended in years.
• The rankness of his behavior shocked even his closest friends.
• She was appalled by the rankness of the corruption in the organization.