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
all systems
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "all systems" is correct and usable in written English.
It can be used in contexts where you are referring to multiple systems functioning or being operational, often in technical or organizational discussions. Example: "After the maintenance check, we confirmed that all systems are operational and ready for the launch."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(5)
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
59 human-written examples
All systems were go.
News & Media
All systems are flawed.
News & Media
It was all systems go.
News & Media
All systems were nuclear-armed.
Encyclopedias
Merciana; Loudermilk; All Systems Go.
News & Media
Otherwise, all systems are go.
News & Media
Actually all systems are capitalist.
News & Media
Now it's all systems go.
News & Media
"So it's all systems go.
News & Media
"I assume all systems are a go".
News & Media
All systems will be shut down momentarily".
News & Media
Expert writing Tips
Best practice
When using "all systems", ensure that you are referring to a set of interconnected components. If you are discussing a single entity, consider using "the system".
Common error
Avoid using "all systems" when referring to a single, monolithic entity. Instead, use "the system" or "the process" to maintain clarity and grammatical correctness.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "all systems" typically functions as a noun phrase or a subject within a sentence. It denotes a collective of integrated components, processes, or units considered as a whole and generally implies a state of functionality or readiness. Ludwig showcases various examples of this usage across news, science and media contexts.
Frequent in
News & Media
48%
Science
40%
Encyclopedias
3%
Less common in
Wiki
2%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "all systems" is a common and grammatically correct noun phrase used to indicate the operational status or readiness of multiple components or processes. According to Ludwig, it is frequently found in news, media, and scientific contexts. While the register is generally neutral, its use often conveys technical or organizational readiness. Consider alternatives like "everything is operational" or "all components are functioning" for similar meanings. A key best practice is to ensure the phrase is used in plural contexts, avoiding its application to singular entities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
everything is operational
Focuses on the operational status of all components.
all components are functioning
Highlights the functional aspect of each component within the system.
all units are active
Emphasizes the active state of the units.
every process is running
Focuses specifically on processes and their execution.
all mechanisms are in motion
Emphasizes movement and activity within the systems.
everything's ready to go
Indicates readiness and preparation.
we are good to proceed
Highlights the authorization to move forward.
operations are underway
Emphasizes that operations have already begun.
the infrastructure is sound
Focuses on the stability and reliability of the infrastructure.
all services are online
Specifies the online availability of services.
FAQs
How can I use "all systems" in a sentence?
You can use "all systems" to indicate that multiple processes or components are functioning correctly. For example, "After the upgrade, "all systems are go" for the launch."
What's a good alternative to "all systems"?
Depending on the context, you could use alternatives like "everything is operational" or "all components are functioning".
Is it correct to say "all system is working"?
No, it is incorrect. The correct phrasing is "all systems are working" because "systems" is plural and requires a plural verb.
What does it mean when someone says "all systems are go"?
It means that "everything is ready" and functioning properly, and it is safe to proceed with a plan or operation.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested