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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
with their aid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "with their aid" is correct and usable in written English.
It can be used when referring to assistance or support provided by someone or something. Example: "The project was completed successfully with their aid, allowing us to meet the deadline."
✓ Grammatically correct
News & Media
Wiki
Science
Encyclopedias
Alternative expressions(20)
following your guidelines
at your direction
with your leadership
with their help
as stipulated by you
operated by you
with your support
under your supervision
under your direction
under your guidance
according to your directions
at your class
controlled by you
with their assistance
guided by you
overseen by you
organized by you
per your specifications
with your help
at your lesson
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
9 human-written examples
With their aid Arthur begins poking about the estate that, set high on an isolated marsh, comes with both gravestones and spooks.
News & Media
According to the study, many schools do an inadequate job of counseling students about the problem and some even package risky private loans with their aid offers.
News & Media
Inoue's belief that Buddhism epitomized Oriental philosophy gained many adherents, and with their aid he began to publish the highly nationalistic magazine Nihonjin ("The Japanese") and embarked on a series of lecture tours throughout Japan and Europe.
Encyclopedias
The different methods and the different conceptual apparatus that Tarski has in mind are going to be "the methods which have been developed in recent years for the establishment of scientific semantics, and the concepts defined with their aid" (Tarski 1983c, p. 414; a footnote refers us to Tarski's monograph on truth).
Science
With their aid, he laid siege to the major crossing point over the Oxus at Tirmidh.
Wiki
With their aid and with the ready support of King Edgar, Dunstan pushed forward his reforms in the English Church.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
The majority of professionals (78%) on the other side considered the direct pathway a deterioration for persons in need of medical care, 'younger' persons, and persons who are dissatisfied with their hearing aid.
Science
In better times, they could venture outside the camp to buy extra food with their monthly aid allowance of 3,500 Central African Francs (£4.76) per person.
News & Media
In better times, they could venture outside the camp to buy extra food with their monthly aid allowance of 3,500 Central African Francs (about $7) per person.
News & Media
In this episode, Mulder and Scully are visited by a Metropolitan Police detective who studied at Oxford University with Mulder; and who enlists their aid with a case involving a serial killer capable of pyrokinesis.
Wiki
Both countries provide the small island nations with much of their aid and trade, and see themselves as guarantors of the region's security.
News & Media
Expert writing Tips
Best practice
When using "with their aid", ensure that the context clearly indicates who "they" refers to, maintaining clarity and avoiding ambiguity for the reader.
Common error
While "with their aid" is generally acceptable, it can sometimes sound slightly more formal than necessary in casual conversation. In such instances, consider using a more common phrase like "with their help" to keep the tone appropriate.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "with their aid" functions as a prepositional phrase that modifies a verb or noun, indicating the means or method by which an action is accomplished. It specifies that assistance or support was instrumental in achieving the outcome. Ludwig confirms its validity.
Frequent in
News & Media
40%
Wiki
30%
Science
20%
Less common in
Encyclopedias
10%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "with their aid" is a grammatically correct prepositional phrase used to indicate that assistance or support was provided in achieving a particular outcome. According to Ludwig, it is valid and usable in written English. While slightly formal, the phrase appears in diverse contexts, including news media, encyclopedias, and scientific publications. Less formal alternatives include "with their help" or "with their assistance". Remember to maintain clarity by ensuring that the referent of "their" is easily understood.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
with their assistance
Replaces "aid" with a more formal synonym, "assistance".
with their help
Uses the more common and informal term "help" instead of "aid".
thanks to their support
Shifts the focus to the positive outcome enabled by their support.
through their contributions
Highlights the active role of contributing to something.
by virtue of their backing
Emphasizes the importance of their endorsement or financial support.
facilitated by their provision
Focuses on how their provision made something easier
leveraging their resources
Highlights the use of their resources to achieve a goal.
capitalizing on their expertise
Stresses the utilization of their knowledge and skills.
assisted by their involvement
Emphasizes their active participation in aiding a process.
empowered by their influence
Highlights how they provided power or authority to achieve something.
FAQs
What does "with their aid" mean?
The phrase "with their aid" means with their help or assistance. It indicates that someone or something has provided support to achieve a particular outcome.
When is it appropriate to use "with their aid"?
It's appropriate to use "with their aid" in formal contexts or when you want to emphasize the specific act of assisting. In more casual settings, phrases like "with their help" may be more suitable.
What are some alternatives to "with their aid"?
Some alternatives to "with their aid" include "with their assistance", "with their support", or simply "with their help". The best choice depends on the context and desired tone.
Is there a difference between "with their aid" and "with their help"?
While both phrases convey the same general meaning, "with their aid" is often perceived as more formal and can be used to emphasize the significance of the assistance provided, whereas "with their help" is more common and informal.
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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
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested