Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
in a single action
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in a single action" is correct and usable in written English.
It can be used to describe completing a task or achieving a result all at once, without any intermediate steps. Example: "The software allows users to save their progress in a single action, making it more efficient."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
all at once
in one breath
on every forecheck
in one moment
on every stage
in every case
at any means
at one go
all at the same time
on every moment
all on the same day
during each period
at the same time time
when the occasion presents itself
concurrently
all at one time
at the very same time
each and every time
on every feast
in each course
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
12 human-written examples
The most important change, in my opinion, is at once more powerful and more challenging to capture in a single action.
News & Media
Moreover, when we accept that just as our meting out of violence on their co-religionists is ideologically motivated, so is theirs on us, the very headiness of decapitation still distracts us from just how many correspondences between us and them come together in a single action: the serrated blade drawn across the windpipe.
News & Media
I like the ability to bookmark and annotate a page in a single action – others may like Trailfire, too.
News & Media
Reuters reported that 73 SWAPO guerillas were killed on 8 April, 34 in a single action.
Wiki
For Obama, it was the largest number of clemencies he has granted in a single action.
News & Media
He achieved fifteen victories in aerial combat, four of them in a single action on 12 June 1918.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
Each nation is allowed to put up four athletes; two in the men's competition and two in the women's, and, only adding to the appeal, this is a sport which takes place in a single, action-packed day.
News & Media
Moreover, although the fenced off part of their property is still in Slovenian territory, a single action by the Slovenian government made crossing the razor wire potentially a criminal act.
News & Media
Given that endocytosis slows as the number of action potentials increases from 25too 100, they expected it to occur rapidly in response to a single action potential.
Science
We found that Munc13-KD resulted in a 34% reduction in Ca2+ influx following a single action potential as compared to wild-type (WT) cells.
Science
U.S. 5,960,411 grants Amazon exclusive rights to its method of placing an order "in response to only a single action".
News & Media
Expert writing Tips
Best practice
Use "in a single action" to clearly convey that a task is completed efficiently, without intermediate steps. This emphasizes simplicity and directness in processes or instructions.
Common error
Avoid phrases like "completely in a single action" as the "completely" is often redundant. The phrase already implies a full and immediate completion.
Source & Trust
81%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in a single action" functions primarily as an adverbial phrase, modifying verbs or clauses to indicate how something is done. Ludwig AI confirms its correct usage. It specifies that an event occurs through one unified effort, without intermediary steps.
Frequent in
News & Media
33%
Science
42%
Wiki
17%
Less common in
Encyclopedias
8%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "in a single action" is a grammatically correct adverbial phrase used to emphasize efficiency and directness. Ludwig AI confirms this. Although not extremely common, it appears across diverse fields like News & Media and Science. It is suitable for neutral contexts. For more formal contexts, consider alternatives like "through a single act" or "by one undertaking". Avoid redundant language like "completely in a single action". Overall, this phrase is a useful way to convey simplicity and streamlined processes.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
with one action
This alternative replaces "in a single" with "with one", simplifying the phrase while maintaining the core meaning of performing something in a single step.
in one step
Substitutes "action" with "step", emphasizing the completion of a task in a single stage or phase.
in one motion
Changes "action" to "motion", implying a continuous movement to complete something without interruption.
with a single move
Replaces "action" with "move", suggesting a strategic or tactical approach to accomplish something in one go.
through a single act
Uses "act" instead of "action", often applicable in legal or formal contexts, while retaining the singular nature of the event.
at once
This alternative replaces the original phrase with a concise idiom that indicates immediacy and simultaneity.
in a solitary action
Adds emphasis on the isolated or unique nature of the action, highlighting that it's performed alone.
by one undertaking
Emphasizes the initiation and completion of a task in a single, unified effort or project.
in a unified effort
Replaces "single action" with a collaborative connotation, focusing on the collective or integrated aspect of achieving something.
with a unique stroke
Replaces "action" with "stroke", implying a distinctive or remarkable action.
FAQs
How can I rephrase "in a single action" to sound more formal?
For a more formal tone, consider using alternatives such as "through a single act" or "by one undertaking". These options provide a more elevated and sophisticated style while retaining the original meaning.
When is it best to use "in a single action" over other similar phrases?
Use "in a single action" when you want to emphasize the efficiency and directness of completing a task without intermediate steps. It's particularly effective in technical instructions or process descriptions.
What's the difference between "in a single action" and "at once"?
"In a single action" specifies that something is achieved through one deliberate act, whereas "at once" implies immediacy and simultaneity, but not necessarily through a single, defined action. They can be interchangeable in some contexts but have subtle differences.
Is "in a single action" appropriate for informal conversation?
While grammatically correct, "in a single action" might sound slightly formal for very casual conversation. Simpler alternatives like "in one go" or "in one step" may be more suitable.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.4/5
Expert rating
Real-world application tested