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

Generative AI can alter several activities at once because language sits at the center of administration, education, law, media, software and knowledge work. — Gerui Wang, Forbes.com, 1 Aug. 2026

Billions > millions Placek likes to tell a story that illustrates the chasm between the right name — one that’s surprising and familiar all at once — and more predictable choices. — HubSpot, 31 July 2026

By shifting their perspective in relation to the waves of major life moments hitting Cassidy and Ross at once, their writing style also, naturally, evolved. — Chris Barilla, PEOPLE, 31 July 2026

When multiple providers bill separately for the same episode of care, the total amount owed can be difficult to track, let alone pay all at once. — Angelica Leicht, CBS News, 30 July 2026

Word History

First Known Use

13th century, in the meaning defined at sense 1

Rhymes for at once

• bunce
• dunce