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
line by line
Grammar usage guide and real-world examplesUSAGE SUMMARY
"line by line" is correct and usable in written English.
It can be used to refer to the process of going through something piece by piece. For example, "I read the instructions line by line to make sure I understood them correctly."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
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
46 human-written examples
"Line by Line," by Lori Glavin.
News & Media
We checked, line by line.
News & Media
Here's how we checked, line by line.
News & Media
Try translating the abstract line by line into plain English.
Function readline can read file line by line.
Academia
School reports are scrutinised line by line for subtle clues.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
So let's look at Comey's statements, line-by-line.
News & Media
Specific, line-by-line complaints are due a week later.
News & Media
Description: Handwritten line-by-line English translation of a Northern Pomo text about Old Bear Woman.
She read everything line-by-line, page-by-page.
News & Media
I write like a poet does; I write line-by-line and then make small tweaks.
News & Media
Expert writing Tips
Best practice
When using "line by line" to describe a review process, specify the type of document or code being reviewed for clarity (e.g., "review the contract line by line").
Common error
Avoid using "line by line" when you actually mean a general overview. This phrase implies a very detailed, granular examination.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "line by line" functions primarily as an adverbial modifier, describing how an action is performed. It indicates a detailed, sequential, and thorough approach, as demonstrated in Ludwig's examples where scripts are reviewed or code is analyzed "line by line".
Frequent in
News & Media
40%
Academia
35%
Science
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "line by line" is a common and correct adverbial phrase used to emphasize a meticulous and detailed approach. Ludwig AI confirms its validity and widespread usage across diverse contexts, including news, academia, and science. When using "line by line", ensure that it accurately reflects the level of scrutiny being applied, and consider related phrases like "step by step" or "in detail" for subtle variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
step by step
Focuses on the incremental nature of the process, emphasizing the sequence of actions.
point by point
Highlights a focus on individual items within a larger discussion or argument.
item by item
Emphasizes the individual handling of discrete components in a process.
in detail
Stresses the completeness and thoroughness of the examination or description.
one by one
Focuses on the sequential handling of multiple elements, often implying a sense of order.
measure by measure
Highlights detailed attention to each unit of a given quantity or parameter.
bit by bit
Underscores the gradual accumulation of progress through small increments.
stage by stage
Implies an organized progression with defined phases or milestones.
piece by piece
Highlights the assembly or analysis of a whole from its individual components.
section by section
Suggests a structured approach to a larger document or system, dividing it into manageable units.
FAQs
How can I use "line by line" in a sentence?
You can use "line by line" to describe a detailed examination or translation, for example: "The contract was reviewed "line by line" to identify potential issues".
What's a good alternative to "line by line"?
Depending on the context, you could use phrases like "step by step", "point by point", or "in detail" to convey a similar meaning.
Is it better to say "line by line" or "verse by verse" when analyzing poetry?
While both phrases imply a sequential approach, "line by line" is a more general term. "Verse by verse" is specifically used for analyzing poetry or song lyrics, making it more appropriate in that context.
When is it appropriate to use "line by line"?
"Line by line" is appropriate when you want to emphasize a methodical and thorough approach to examining, translating, or building something, ensuring that every detail is considered.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested