1. the wife or widow of a viscount
2. a woman who holds the rank of viscount in her own right

Examples

• The viscountess attended the royal wedding ceremony.
• She inherited the title of viscountess from her late husband.
• The viscountess was known for her charitable work in the community.
• As a viscountess in her own right, she held considerable influence at court.
• The viscountess hosted an elegant dinner party at her estate.
• Local newspapers covered the viscountess’s visit to the hospital.