centenarian

/ˌsɛnəˈnɛɹiən/

Etymology

From Latin centēnārius + -an, equivalent to centenary (“100 year, 100th anniversary”) + -an (“person”).

centenarian means aged 100 years or more; extremely old. Lexicurio rates it Sui generis — a strength score of 85 out of 100.

centenarian is pronounced /ˌsɛnəˈnɛɹiən/.

adj

One who or that which is at least 100 years old.“The average age of these 203 centenarians was 102 years 5 months and 25 days.”