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
as a side line
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as a side line" is correct and usable in written English.
It can be used to refer to an additional activity or job that someone engages in alongside their main occupation. Example: "She works as a graphic designer, but she also writes novels as a side line."
✓ Grammatically correct
News & Media
Science
Alternative expressions(5)
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
As a side line he began importing materials… The N.Y.
News & Media
As a side line he began importing materials for ballet costumes and to make the first silk tights and silk stocking in this country.
News & Media
And as a side line make money for the politicians to keep those weapons coming.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
A wealthy but lonely woman with a side line as an amateur escort was befriended and duped by two career conmen who murdered her and systematically stole all of her worldly goods, a court heard yesterday.
News & Media
Nevertheless, it was the block's quirky charm and affordable rents that drew people like Mr. Rodgers, who has a side line as an independent filmmaker with a company called B1L Productions.
News & Media
If you had told him then that in December 2014 he would be investing to convert an unprepossessing corner property at Didsbury into a restaurant, he would have pictured it as a side-line to his main project in life.
News & Media
As a side-line contribution, due to the lack of rare species (e.g. singletons and doubletons), zeta diversity framework still allows us to extrapolate and estimate the number of species in the regional species pool (Fig. 5).
Science
As a side note, few straight lines in the top left region of the log-log chart are due to malfunctioning of the vehicle sensor system that was not updating the sole value of the instant yaw rate.
As an interesting side line a general remark before going to details: despite extensive metabolism of many xenobiotics in rat skin as will be detailed below, some, such as coumarin (Beckley-Kartey et al. 1997; Yourick and Bronaugh 1997), caffeine, and DDT (Bronaugh et al. 1989), were reported not to be metabolized in rat skin.
Science
Owners of car parks, such as Apcoa and NCP, see issuing tickets as a lucrative side line.
News & Media
In ink verso: 7. Bucyrus type / Indiana No. 2 / This shows the bale attach-/ ment, as well as attachment / of side line, also end of / log chains and position / of first roller on ladders.
Academia
Expert writing Tips
Best practice
When using "as a side line", ensure that the primary activity is clearly defined or understood within the context to avoid ambiguity. For example, "She works full-time as a teacher, but earns extra money "as a side line" by tutoring students online."
Common error
Avoid using "as a side line" when you mean someone is not participating or is excluded from an activity. In such cases, use "sideline" as a verb or noun. For example, "Injury sidelined the star player" not, "Injury as a side line the star player".
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as a side line" functions as an adverbial phrase modifying a verb, indicating the manner or capacity in which an action is performed. Ludwig confirms this usage, showcasing examples where it describes a secondary or supplementary activity.
Frequent in
News & Media
33%
Science
33%
Academia
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
17%
Ludwig's WRAP-UP
In summary, "as a side line" is a phrase used to denote a secondary activity or occupation pursued in addition to one's primary job. According to Ludwig, the phrase is grammatically correct. While not overly common, it appears in various contexts, including news and scientific publications. Related phrases include "on the side" and "as a secondary pursuit". When using this phrase, ensure the primary activity is clear. A potential error is confusing it with the term "sideline", which implies exclusion or inactivity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as a sideline
Omits the space between "side" and "line", slightly altering the visual appearance but retaining the same meaning.
on the side
A more concise and common way to express the idea of doing something in addition to one's main job.
as a secondary pursuit
Highlights the subordinate nature of the activity compared to the primary one.
as an additional occupation
Formally emphasizes that the activity is another job or source of income.
as a supplementary activity
Underscores the supporting role of the activity in relation to the main one.
as a side business
Specifically refers to a commercial activity done in addition to a main job.
in addition to their main job
More explicitly states the relationship between the secondary activity and the primary job.
as a secondary source of income
Focuses on the financial aspect of the additional activity.
as a hobby that generates income
Indicates that the side activity started as a hobby but now provides income.
as an avocational pursuit
A more formal way of saying the activity is pursued as a hobby.
FAQs
What does "as a side line" mean?
The phrase "as a side line" refers to an additional activity or job that someone does alongside their primary occupation or main source of income. It implies a secondary or supplementary role.
Is "as a side line" the same as "on the side"?
While similar, "as a side line" and "on the side" are not always interchangeable. "On the side" can sometimes imply secrecy or informality, whereas "as a side line" generally denotes a more openly acknowledged secondary activity.
What are some alternatives to "as a side line"?
Alternatives include "as a sideline", "as a secondary pursuit", or "as an additional occupation", depending on the context.
How can I use "as a side line" in a sentence?
You might say, "He works as an accountant during the day, but runs a small woodworking business "as a side line"".
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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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested