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

Performance will depend on available radio frequencies, the link back to the core network and how many people are online at once. — New Atlas, 3 Oct. 2026

May 21 – June 20 Your brain may be moving in twelve directions at once today. — Tarot.com, Hartford Courant, 2 Oct. 2026

Gemini May 21 – June 20 Your brain may be moving in twelve directions at once today. — Tarot.com, Baltimore Sun, 2 Oct. 2026

Taking inspiration from their cousins—who had been members of the more famous Jesse and Frank James outlaw gang—the Dalton gang decided to rob two banks at once. — Encyclopedia Britannica, 2 Oct. 2026

Word History

First Known Use

13th century, in the meaning defined at sense 1

Rhymes for at once

• bunce
• dunce