1. a person who is 100 years old or older

1. being 100 years old or older

Examples

• The centenarian celebrated her 102nd birthday with family.
• He became a centenarian last month when he turned 100.
• The nursing home has three centenarian residents.
• She is part of a centenarian population that continues to grow.
• The centenarian woman shared stories from her long life.
• Centenarian citizens often receive special recognition from the mayor.