- centenarian⇄adj. 1. 100 years old or more.
2. of 100 years; of a centenary celebration. - centenarian⇄centenarian, noun, adjective.
- centenarian⇄noun a person who is 100 years old or more.
Ex. As doctors and scientists learn more about the body, people will have a better chance of living to be centenarians.