# change-up

> English word · Noun · IPA /ˈtʃeɪndʒʌp/

## Definitions
1. A pitch thrown with the arm motion of a fastball, but which travels at a much slower velocity because it is released without the fingers adding power to the delivery.
2. An unexpected event.

## Etymology
Deverbal from change up.

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