at once

phrase

1

: at the same time : simultaneously

2

: immediately

3

: both entry 2

at once funny and sad

Examples of at once in a Sentence

Recent Examples on the Web

Building 1,600 stores at once Once the leases are signed, Spirit has to fill them. — Catherina Gioino, Fortune, 24 Oct. 2026

For a lot of Gen Z, sharing an affordable discovery has become its own way to flex style, resourcefulness and taste all at once. — Ashley Lynch, Fort Worth Star-Telegram, 23 Oct. 2026

The internet offers instant access to huge swaths of the past — all of history in your headphones at once. — Jack Denton, Vulture, 22 Oct. 2026

Each fibre has its own control channel, so a fault in one line leaves its neighbours working normally, and the system can register several touches at once. — Prabhat Ranjan Mishra, Interesting Engineering, 22 Oct. 2026

Word History

First Known Use

13th century, in the meaning defined at sense 1

Rhymes for at once

• bunce
• dunce