# centennially

> English word · Adverb

## Definitions
1. As part of a centennial.
2. once a century, every one hundred years

## Etymology
From centennial + -ly.

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