at once
- immediate adj.
- directly adv.
- early adv.
- ensemble adv.
- forthwith adv.
- hand over fist adv.
- in a moment adv.
- instantaneously adv.
- instantly adv.
- now adv.
- now adv.
- posthaste adv.
- promptly adv.
- readily adv.
- right adv.
- right off adv.
- right off the bat adv.
- straight adv.
- straightaway adv.
- straight off adv.
- tout de suite adv.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A blood test that could screen for dozens of cancers at once would be a major leap.
From The Wall Street Journal ● Oct. 1, 2026
In a district where malaria is endemic, external, fever could mean several things at once.
From BBC ● Sep. 30, 2026
You don’t have to make every retirement decision at once.
From MarketWatch ● Sep. 30, 2026
Everything he’d been pointing towards in the distance was now here, culminating all at once.
From Los Angeles Times ● Sep. 27, 2026
She appeared in Vught the third morning during the predawn roll call and at once something like order seized our rebellious and untidy ranks.
From "The Hiding Place" by Corrie ten Boom
