# centenarianism

> English word · Noun

## Definitions
1. The state of being at least 100 years of age.

## Etymology
From centenarian + -ism.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/centenarianism