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
costly effort
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "costly effort" is correct and usable in written English.
It can be used to describe an endeavor or task that requires a significant amount of resources, time, or money, often implying that the effort may not yield proportional benefits. Example: "The project turned out to be a costly effort, consuming more funds than initially budgeted."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
55 human-written examples
Instead, drivers trucked them away, a costly effort, Mr. Rasmussen said.
News & Media
A good chunk of it went into a costly effort to establish itself in China — an effort it recently abandoned.
News & Media
Preparing TCF Bank Stadium was a complicated, costly effort, beginning with the removal of about 40,000 cubic yards of snow, according to the university spokesman Garry Bowman.
News & Media
A less fortunate aspect of the national urge to reassert France's stature in the world was the Fourth Republic's costly effort to hold the colonial empire.
Encyclopedias
Mr. Rollins argued all along for hunkering down in Iowa and not expending much costly effort on other early-voting states.
News & Media
But Michael Ballinger, a spokesman for MBIA, said the settlement was simply a way "to avoid the long, time-consuming and costly effort involved in a court proceeding".
News & Media
A successful reconstruction program for Iraq will require a sustained and costly effort to provide jobs and basic services over the next year, the panel reported.
News & Media
That was attributed to a lack of high-speed cellular data networks, so a frenzied and costly effort to build third-generation, or 3G, networks ensued.
News & Media
Henry Kissinger's observation, made during the Vietnam War, should be haunting Hezbollah, the Middle East's most capable guerrilla force, as it becomes embroiled in an increasingly costly effort to save the Assad regime.
News & Media
But shutting down a brand is a complicated and costly effort that requires buying out dealers protected by state franchise laws, as well as scaling back production of vehicles.
News & Media
SAN FRANCISCO — Apple on Thursday put to rest the last of a series of lawsuits it brought in a losing and costly effort to put a stop to Web leaks about its product plans.
News & Media
Expert writing Tips
Best practice
When describing a project that consumes significant resources, use "costly effort" to highlight the financial or resource burden, especially if the return on investment is questionable.
Common error
Avoid using "costly effort" without specifying what makes the effort expensive. Provide context by indicating the specific resources consumed or the reasons for the high cost.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "costly effort" functions as a noun phrase, where "costly" is an adjective modifying the noun "effort". As Ludwig AI confirms, this phrase is usable in written English. It describes a task or endeavor that requires a significant investment of resources.
Frequent in
News & Media
50%
Science
30%
Encyclopedias
5%
Less common in
Formal & Business
5%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
The phrase "costly effort" is a commonly used and grammatically correct expression that describes an undertaking requiring significant resources. According to Ludwig AI, it is widely accepted in written English. The phrase appears most frequently in news and media, science, and encyclopedic contexts. While "costly effort" is often used to describe financial burdens, it can also refer to significant investments of time and other resources. Alternatives such as "expensive endeavor" or "high-priced undertaking" can be used depending on the specific context. When using the phrase, it is best practice to provide context about the specific resources consumed to make the meaning clear.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
expensive endeavor
Replaces 'effort' with 'endeavor' to emphasize the undertaking aspect while retaining the costliness.
high-priced undertaking
Uses 'high-priced' to specify the monetary cost, and 'undertaking' to indicate a project or task.
resource-intensive operation
Focuses on the resources consumed, making it applicable to efforts involving materials or energy.
substantial investment
Highlights the significant resources committed, implying that there is an expectation of return.
major expenditure
Emphasizes the spending of money, typically on a large scale.
lavish attempt
Suggests extravagant or generous spending, possibly more than necessary.
prohibitively expensive exercise
Indicates something is so costly that it might deter people from doing it.
unprofitable venture
Implies an effort that costs more than it earns or achieves.
value-draining process
Highlights the consumption of value or assets, potentially without a positive outcome.
wasteful exercise
Emphasizes that the resources spent were not used efficiently or effectively.
FAQs
How can I use "costly effort" in a sentence?
You can use "costly effort" to describe an undertaking that requires significant resources, such as "The project turned out to be a "costly effort", consuming more funds than initially budgeted."
What are some alternatives to "costly effort"?
Alternatives to "costly effort" include "expensive endeavor", "high-priced undertaking", or "resource-intensive operation", depending on the specific context.
Which is correct, "costly effort" or "expensive effort"?
Both "costly effort" and "expensive effort" are grammatically correct, but "costly effort" often implies not only monetary expense but also a significant investment of time or resources, while "expensive effort" focuses more on the monetary aspect.
What's the difference between "costly effort" and "substantial investment"?
"Costly effort" typically describes an undertaking where the cost is a primary consideration, often with implications of difficulty or potential waste. "Substantial investment"/"substantial investment", on the other hand, suggests a significant allocation of resources with an expectation of future returns or benefits.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested