Nonagenarian (noun)

A person who is between 90 and 99 years old.

Origin:

From the latin nonagenarius, meaning 'ninety each' (years old), from nonaginta, meaning 'ninety'.

Examples:

1. The nonagenarian was the oldest person in the nursing home, with a sharp mind and a quick wit.
2. The nonagenarian had lived a long and full life, filled with interesting experiences and memorable moments.
3. The nonagenarian was known for her wisdom and kind heart, always willing to help others.
4. The nonagenarian had many stories to tell, about the world events and personal experiences she had witnessed over the years.
5. The nonagenarian was respected and admired by everyone who knew her, for her courage, grace and dignity.