# all of a sudden

> English word · Adverb · IPA /ˌɔl əv ə ˈsʌdən/

## Definitions
1. Suddenly, quickly, without warning.

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