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
sight line
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sight line" is correct and usable in written English.
It is typically used in contexts related to visibility, such as architecture, design, or photography, to refer to an unobstructed line of sight. Example: "The architect ensured that every seat in the theater had a clear sight line to the stage."
✓ Grammatically correct
News & Media
Science
Wiki
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
"Burglars love fire escapes, because they're a sight line into your apartment," he said.
News & Media
It is difficult to find a sight line at MTV that doesn't include a monitor showing MTV.
News & Media
He doesn't want them seated near him in restaurants; he doesn't want them in his sight line.
News & Media
This sight line is emphasized by three flagpoles fronting the basilica and by Sansovino's Loggetta ("Small Loggia" or "Small Gallery") at the base of the Campanile.
Encyclopedias
The acoustics were superb either way (though one viewer, at least, preferred the open sight line, whether there was anything substantial to see or not).
News & Media
The next morning, after camping for the night, we discovered faint traces of another stone fort with a sight line to the ridge.
News & Media
You can watch a game from the brim of a grassy knoll and have no signs of commercialization within your sight line.
News & Media
"Visitors will enter with a visual sight line into the Rubenstein gallery that draws them into the space," Mr. Ferriero said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
The post-restoration house is 18 seats smaller because of sight-line improvements and access for patrons with disabilities.
News & Media
But lacking both poetry and patriotism, Mr. Cashman says, the State Department of Transportation objected, directing his attention to a state code prohibiting sight-line violations.
News & Media
The ancient stones are carefully aligned on a sight-line that points to the winter solstice sunset, and it is thought that this event was actually more important to those who constructed the site than the summer equivalent.
News & Media
Expert writing Tips
Best practice
When describing architectural designs or stage setups, use "sight line" to specify unobstructed views for the audience or occupants. For instance, "The architect ensured a clear "sight line" from every seat in the auditorium."
Common error
Avoid using "skyline" instead of "sight line". "Skyline" refers to the outline of buildings against the sky, while "sight line" refers to the direction of viewing.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sight line" functions primarily as a noun phrase, often acting as the subject or object of a sentence. As Ludwig AI confirms, it denotes a direct and unobstructed path of vision. Examples from Ludwig illustrate its use in describing architectural design, military positioning, and general visibility.
Frequent in
News & Media
52%
Science
22%
Wiki
13%
Less common in
Encyclopedias
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "sight line" is a grammatically correct and commonly used noun phrase that refers to an unobstructed path of vision. Ludwig AI's analysis confirms its widespread usage across various domains, including news, science, and general writing. While alternatives like "line of sight" and "line of vision" exist, "sight line" is particularly useful in contexts where clear visibility is crucial, such as architecture or military planning. When using this term, it's important to avoid confusion with similar-sounding words like "skyline", which have entirely different meanings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
line of sight
This alternative is more common and directly refers to the unobstructed path between an observer and what is being viewed.
line of vision
A close synonym, emphasizing the act of seeing along a specific path.
visual axis
This alternative is more technical and implies a precise line along which visual information is transmitted.
optical path
A more scientific term referring to the route taken by light to reach the eye.
field of view
This alternative refers to the extent of the observable area, rather than a specific line.
angle of observation
This refers to the angle at which something is observed, highlighting the position of the observer.
viewing angle
This refers to the angle at which something is observed, rather than the line itself.
clear view
This phrase describes an unobstructed view, rather than the line itself.
perspective
This alternative focuses on the point of view or outlook, rather than the physical line of sight.
visual range
Refers to the distance over which something can be seen, not the line of sight.
FAQs
What does "sight line" mean?
A "sight line" refers to an unobstructed path between an observer and what they are looking at. It is commonly used in architecture, design, and military contexts to describe a clear line of vision.
What can I say instead of "sight line"?
You can use alternatives like "line of sight", "line of vision", or "visual axis" depending on the context.
How is "sight line" used in architecture?
In architecture, "sight line" is used to ensure that occupants or viewers have an unobstructed view of a particular feature or area. Architects consider "sight lines" when designing buildings, theaters, and stadiums to optimize visibility.
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
4.5/5
Expert rating
Real-world application tested