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

Applying too much product across the entire eye at once can make the shape harder to control. — Marci Robin, Allure, 24 July 2026

There’s also a bulk listing feature that helps create multiple listings at once. — Jibin Joseph, PC Magazine, 24 July 2026

People imagine astronomy involves memorizing the entire sky at once, knowing exactly where each star is and what it's called. — Jamie Carter, Space.com, 24 July 2026

Only the Avatar, a spiritual figure reincarnated with each subsequent generation, can bend all four elements at once. — Alison Herman, Variety, 24 July 2026

Word History

First Known Use

13th century, in the meaning defined at sense 1

Rhymes for at once

• bunce
• dunce