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
perfectly exact
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "perfectly exact" is correct and usable in written English.
It can be used to emphasize the precision or accuracy of something, often in contexts where exactness is crucial. Example: "The measurements provided in the report were perfectly exact, leaving no room for error."
✓ Grammatically correct
News & Media
Science
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
3 human-written examples
Although the comparison isn't perfectly exact, while walking around and photographing in these places, I often imagined another great urban environment and melting pot: the stickball streets of prewar Brooklyn.
News & Media
She was a waif, weighing less than six and a half stone; the policewoman who was the first official to see her described her as "white as cheese", an unpoetic but no doubt perfectly exact expression of the effects of the underworld.
News & Media
So the results of anchoring and ordering of the wheat BAC contigs along chromosome 3B using the barley mapping data should be considered with caution as they may not be perfectly exact.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
All expression is in his eyes, his mouth, his body language and, of course, his perfectly balanced, exacting singing.
News & Media
The figures inside are so perfectly preserved, so exact and so lifelike, that you never tire of studying them, or of wondering at the patience, faithfulness and jeweler's-loupe ingenuity that managed to put them there.
News & Media
The results obtained confirmed that the process yield alone cannot perfectly reflect the exact sustainability parameters of the renewable ethanol production systems.
Science
These will show that some of the lower and upper bounds are able to perfectly match the exact reliability of 2-dimensional consecutive systems for the particular cases considered here.
Science
Enabled by social platforms and apps, we browse endless options, compare their features and select the one that taps into our desires and perfectly fits our exact personal preferences.
News & Media
For the numerical solution of this three-dimensional problem, the original unbounded domain is truncated by using exact perfectly matched layers (PML) and the resulting partial differential equation (PDE) is discretized with a standard finite element method.
These results perfectly replicate the exact same relationships observed in the most recent phylogenetic analysis of these species based on mtDNA sequencing data [ 48].
Science
In written form her words seem bizarre and difficult to follow, but when she herself reads them aloud it is all perfectly lucid, natural, and exact.
News & Media
Expert writing Tips
Best practice
Use "perfectly exact" when you want to emphasize that something is not just close, but entirely accurate and without any deviation. For example, in scientific measurements or legal documents, where precision is crucial.
Common error
Avoid using "perfectly exact" in casual conversation or informal writing. Simpler terms like "accurate" or "precise" are often more appropriate and sound more natural in those situations.
Source & Trust
88%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "perfectly exact" functions as an intensifier followed by an adjective. The adverb "perfectly" modifies and strengthens the adjective "exact", emphasizing the complete accuracy and precision of something. Examples in Ludwig show it describing measurements, relationships, and replications.
Frequent in
Science
67%
News & Media
33%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "perfectly exact" is a grammatically correct construction used to emphasize the utmost accuracy and precision. Ludwig AI indicates it is accurate and usable in English. While relatively uncommon, it finds its niche in formal and scientific contexts where eliminating any margin of error is crucial. When writing, consider the audience and context before using "perfectly exact"; simpler terms may suffice in informal settings. Consider alternative phrases like "absolutely precise" or "completely accurate" for similar emphasis. While not inherently redundant, its strength lies in adding heightened certainty to a statement.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
absolutely precise
Replaces "perfectly" with "absolutely", strengthening the emphasis on precision.
completely accurate
Uses "completely" instead of "perfectly" and "accurate" instead of "exact", focusing on correctness.
precisely accurate
Combines "precisely" and "accurate" to highlight both the exactness and correctness.
unerringly precise
Emphasizes the lack of error in the precision.
flawlessly accurate
Highlights the absence of flaws in the accuracy.
unquestionably exact
Focuses on the certainty and lack of doubt about the exactness.
impeccably accurate
Stresses the high standard and faultlessness of the accuracy.
wholly precise
Uses "wholly" to emphasize the completeness of the precision.
thoroughly accurate
Highlights the comprehensiveness of the accuracy.
exactly right
Replaces "perfectly" with "exactly" and "exact" with "right", simplifying the phrase while retaining the core meaning.
FAQs
How can I use "perfectly exact" in a sentence?
"Perfectly exact" emphasizes that something is entirely accurate and without any deviation. For instance: "The measurements provided in the report were "perfectly exact", leaving no room for error."
What are some alternatives to "perfectly exact"?
Alternatives include "absolutely precise", "completely accurate", or "precisely accurate", depending on the specific context.
Is "perfectly exact" redundant?
While both words emphasize accuracy, "perfectly" amplifies the degree of exactness. The phrase isn't strictly redundant but is stronger than simply using "exact". Consider the context to decide if the extra emphasis is needed.
When is it appropriate to use "perfectly exact" in writing?
Use it in situations where precision is paramount, such as scientific reports, legal documents, or technical specifications. In less formal contexts, consider using a simpler alternative.
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
88%
Authority and reliability
4.2/5
Expert rating
Real-world application tested