# at once

> English word · Adverb · IPA /ət ˈwʌns/

## Definitions
1. In one group; together.
2. At the same time; simultaneously; together.
3. Immediately; now; right away.

## Etymology
From Middle English at ones, equivalent to at + once.

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