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
ancillary to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "ancillary to" is correct and usable in written English.
You can use it to indicate something that is subordinate or secondary to something else. For example: "The additional services provided by the company are ancillary to the product."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
associated with
reactive to
a secondary consideration
supportive to
related to
less crucial
as a lower priority
connected to
as a less important concern
conditional to
supplementary to
subsidiary to
as a lesser priority
of secondary importance
incidental to
supplemental to
secondary to
dependent on
peripheral to
not the primary focus
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
60 human-written examples
Security is not ancillary to any deal.
News & Media
But they were usually ancillary to the job and dropped at some point.
News & Media
Finally, someone whose stated purpose was (at least ancillary to) waging war.
News & Media
Stationery is associated with dull-witted anal retentiveness, being ancillary to more important tasks.
News & Media
What artists believe, however, is of secondary importance, ancillary to the work itself.
News & Media
Still, Mr. Powell sometimes seems to resent suggestions that he is ancillary to the peace effort.
News & Media
To ponder the social niceties ancillary to your misconduct is quibbling.
News & Media
At first, 20-somethings from programs like that were ancillary to the PieLab effort.
News & Media
Banking and commerce were, for the most part, ancillary to plantation agriculture.
Encyclopedias
It quickly becomes obvious that all these theatrics are not merely ancillary to the tennis.
News & Media
These unpaid activities ancillary to earning one's wages are examples of shadow work.
News & Media
Expert writing Tips
Best practice
Use "ancillary to" to clearly indicate that one thing is less important or supportive of another. This helps establish a hierarchy and clarify the roles of different elements in your writing.
Common error
Avoid using "ancillary to" when the items are of equal importance. This phrase should only be used when one aspect truly supports or is secondary to another.
Source & Trust
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "ancillary to" functions as a prepositional phrase, indicating that something is subordinate or secondary to something else. It is used to show a hierarchical relationship where one element is less important or supportive of another, as confirmed by Ludwig examples.
Frequent in
News & Media
37%
Encyclopedias
14%
Science
24%
Less common in
Wiki
5%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "ancillary to" is a grammatically sound and common prepositional phrase used to denote that something is secondary or supportive in nature. As confirmed by Ludwig AI, it is most frequently found in News & Media, Encyclopedia and Science contexts, indicating a formal register. When using "ancillary to", ensure that you're accurately representing the hierarchical relationship between elements, and consider simpler alternatives like "secondary to" in more informal settings. Remember, this phrase emphasizes the subordinate role of one component in relation to another.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
subsidiary to
Indicates something that is secondary or dependent on something else, similar to "ancillary to" but with a stronger connotation of being owned or controlled.
secondary to
Emphasizes the lower importance or priority of something compared to something else. It directly points to a hierarchical relationship.
supplementary to
Highlights the function of providing something additional or extra, which supports or enhances the primary thing.
incidental to
Implies that something occurs as a minor consequence or accompaniment. Focuses on the non-essential and chance nature.
adjunct to
Suggests something added or connected but not an essential part. Indicates an element that is joined but maintains its own identity.
peripheral to
Indicates that something is on the edge or outside the main focus, suggesting it's less important or central.
supportive of
Indicates that something provides assistance or backing, highlighting its role in enabling or maintaining something else.
dependent on
Emphasizes the reliance of one thing on another for existence, operation, or validity.
subordinate to
Expresses a clear hierarchy, where one thing is lower in rank or importance than another.
associated with
Indicates a connection or relationship without necessarily implying a hierarchy or dependency.
FAQs
How do I use "ancillary to" in a sentence?
Use "ancillary to" to show that something is secondary or supportive. For example, "The marketing campaign was "ancillary to" the main product launch" indicates the campaign supported the launch but wasn't the primary focus.
What's a simpler way to say "ancillary to"?
You can use phrases like "secondary to", "supplementary to", or "supportive of" depending on the context. These alternatives offer similar meanings with slightly different nuances.
Is "ancillary to" formal or informal?
"Ancillary to" is generally considered a more formal phrase. In informal contexts, simpler alternatives like "related to" or "connected to" might be more appropriate.
What's the difference between "ancillary to" and "integral to"?
"Ancillary to" means something is secondary or supportive, while "integral to" means something is essential or fundamental. For example, if teamwork is "integral to" a project's success, it's absolutely necessary; if marketing is "ancillary to" the project, it helps but isn't essential.
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
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested