# semicentennial

> English word · Adjective · IPA /ˌsɛˌmaɪsnˈtɛniəl/

## Definitions
1. Of or related to a 50th anniversary, occurring every 50 years.

## Etymology
From semi- (“half”) + centennial (“100 year, 100th anniversary”), q.v.

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