AT ONCE Synonyms: 80 Similar and Opposite Words

at once

phrase

Definition of at once

as in concurrently

at one and the same time I have three papers due all at once.

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in now

without delay Call me at once when you get this message.

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of at once The screen itself can register several touches at once and supports 8-bit color depth, which gives it a kind of a shimmering visual profile somewhat reminiscent of late 1980s and early 1990s arcade video games. — Mack Degeurin, Popular Science, 28 Oct. 2026 Ford says more than 10,000 watts at once, enough to run a refrigerator, lights, Wi-Fi and a TV, plus a microwave or coffee maker. — Nick Lichtenberg, Fortune, 27 Oct. 2026 But any overlap in a poem and a train line’s energy is coincidental; new Poetry in Motion selections go out in the entire subway system at once. — James Folta, Literary Hub, 27 Oct. 2026 The stage is small and oddly shaped — 6 feet wide and 13 feet deep, framed on two sides by the windows on the street side and entranceway of the club — but as many as 10 musicians have fit upon it at once. — Christopher Arnott, Hartford Courant, 27 Oct. 2026 See All Example Sentences for at once

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atonal

at once

atone

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“At once.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/at%20once. Accessed 30 Oct. 2026.

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Synonyms of at once

phrase

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