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
close approximation
Grammar usage guide and real-world examplesUSAGE SUMMARY
"close approximation" is a correct and usable phrase in written English.
You can use it when you are trying to explain that something is very similar to something else, or is almost the same. For example, "This paint color is a close approximation of the original shade we were looking for."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(15)
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
57 human-written examples
And it bears no close approximation to the truth.
News & Media
A close approximation can be conjured up with Everclear, lemon zest and sugar syrup.
News & Media
Gabelfrühstück (GAH-bel-froosh-took is a close approximation) is not so insubstantial.
News & Media
Revolving credit, a close approximation of credit card debt, totaled $939.6 billion in March.
News & Media
Multiplying the tax by 909.1 will give a close approximation of the price.
News & Media
Her chapters on Reed's youth vividly portray him as a close approximation of the monster liberals imagine.
News & Media
But he said that in his younger days that character was really a pretty close approximation to himself".
News & Media
Of course, I use the numbers loosely, but they are a close approximation and illustrate the reality of breeding economics.
News & Media
The Chebyshev parallel motion is a three-bar linkage that gives a very close approximation to exact rectilinear motion.
Encyclopedias
Instead, Mr Das worked out a way to make a close approximation to the prices that result from the condition.
News & Media
The result is a close approximation of a street-style skating environment, with realistic features like granite and railings.
News & Media
Expert writing Tips
Best practice
When using "close approximation", ensure the context clearly indicates what is being approximated and the degree of accuracy expected.
Common error
Avoid using "close approximation" when a precise measurement or calculation is required. This phrase implies a degree of inexactness, so it's unsuitable in contexts demanding high precision.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "close approximation" functions primarily as a noun phrase, often serving as a subject complement or object in a sentence. Ludwig AI states that it indicates that something is very similar to something else or almost the same.
Frequent in
Science
35%
News & Media
55%
Encyclopedias
10%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "close approximation" is a common and grammatically sound expression used to indicate that something is nearly, but not exactly, the same as something else. As confirmed by Ludwig AI, it's useful when absolute precision isn't required or available. Its neutral register makes it suitable for diverse contexts, particularly news, science, and encyclopedic content. When choosing alternative phrases, consider the specific nuance you wish to convey. Avoid using "close approximation" when accuracy is paramount, and always clarify what is being approximated to ensure clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
approximate value
Highlights that the value isn't precise.
near equivalent
Highlights the functional similarity rather than a numerical value.
near estimate
Emphasizes that the value is an estimation, not exact.
reasonable match
Indicates an acceptable level of correspondence.
rough calculation
Focuses on the calculation being inexact.
ballpark figure
Indicates a general idea of a numerical value.
relative estimation
Changes focus to a comparison-based estimation.
good likeness
Refers to a resemblance in appearance or character.
fair resemblance
Suggests a moderate degree of similarity.
adjacent quantity
Emphasizes the numerical aspect of the closeness.
FAQs
How can I use "close approximation" in a sentence?
You can use "close approximation" to describe something that is nearly, but not exactly, the same as something else. For example, "The estimated cost is a "near estimate", serving as a close approximation of the final amount."
What phrases can I use instead of "close approximation"?
Alternatives include "near estimate", "ballpark figure", or "approximate value". The best choice depends on the specific nuance you want to convey.
Is it better to say "close approximation" or "closest approximation"?
"Closest approximation" implies finding the very nearest value, while "close approximation" simply suggests a value that is near. The choice depends on whether you're emphasizing the degree of closeness.
What's the difference between a "close approximation" and an "exact measurement"?
A "close approximation" is an estimated value that is near the true value, but not precise. An "exact measurement" is a precise value obtained through accurate measurement, leaving no room for estimation.
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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested