at once
phrase
1
as in concurrently
at one and the same time
I have three papers due all at once.
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in now
without delay
Call me at once when you get this message.
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of at once
What Intentional Design Actually Looks Like Guardrails, when designed thoughtfully, do several things at once.
—
Timmi Ryerson,
Forbes.com,
2 July 2026
For example, a group of minions might be pretending to fight a group of Vikings on a movie set, or enough alien spaceships to fill the entire screen appear and shoot their lasers at once.
—
Parents,
1 July 2026
The gorgeous 15-inch touch-screen display is spacious enough for both working professionals and creatives to work on multiple projects at once.
—
Kelsey Fogarty,
PC Magazine,
1 July 2026
That helps explain why the sale’s final tally tells two stories at once.
—
Daniel Cassady,
ARTnews.com,
1 July 2026
Timmi Ryerson,
Forbes.com,
2 July 2026
For example, a group of minions might be pretending to fight a group of Vikings on a movie set, or enough alien spaceships to fill the entire screen appear and shoot their lasers at once.
—
Parents,
1 July 2026
The gorgeous 15-inch touch-screen display is spacious enough for both working professionals and creatives to work on multiple projects at once.
—
Kelsey Fogarty,
PC Magazine,
1 July 2026
That helps explain why the sale’s final tally tells two stories at once.
—
Daniel Cassady,
ARTnews.com,
1 July 2026
Cite this Entry
“At once.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/at%20once. Accessed 5 Jul. 2026.
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