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
on a side note
Grammar usage guide and real-world examplesUSAGE SUMMARY
"on a side note" is a correct and usable phrase in written English.
You can use it when you want to introduce an additional, separate thought that is related to the topic you are discussing. For example, "I enjoy leading team meetings; on a side note, I also find it helpful to document meeting notes for reference afterwards."
✓ Grammatically correct
Alternative expressions(20)
incidentally
as an aside
parenthetically
by the way
I might add
in passing
speaking of which
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
to avoid disruption
not yet completed
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
- Mona 5. "Pompeii" (LW-3) - Bastille 4. "Best Day Of My Life" (LW-2) - American Authors (* Watch the band perform this track on A-Sides this month!) 3. "Comrade" (LW-4)- Volcano Choir 2. "Bitter Rivals" - Sleigh Bells 1. "Reflektor"(LW-4) - Arcade Fire.
News & Media
On one side, Christmas is a time of community, of sharing, of reflection on the tenderness of the incarnation of Christ into our broken world.
News & Media
She felt emboldened and confident by the attention Saturday, until the popularity contest ended on a side court yesterday, when Tu crisply eliminated her.
News & Media
Clay first started working on NewsBlur as a side project three years ago.
News & Media
Nanoparticles range in size from 1 nanometer (nm) on a side up to 1000 nm or more, though much nanoscience research focuses on special acquired properties of small nanoparticles below 100 nm [ 48].
"Alex Russell had a massive influence on the side last year and we're absolutely delighted," boss Adie Britton told the club website. .
News & Media
Martinez threw 130 pitches in Game 1. "We'll check on Pedro when it's time for him to throw on the side tomorrow and make a judgment from there," Manager GRADY Little said.
News & Media
To the Editor: Regarding "A Touch of France on the Side" (June 13) by Katherine Ashenburg: We found the charming little archipelago of St.-Pierre, Miquelon and Langlade a welcome relief for all of the senses.
News & Media
Since you're having a lumpectomy on the left side next week, I'm going in and taking out the concern on the right.
News & Media
The Bagger is apparently a bit on the owly side today.
News & Media
Dame Daphne Sheldrick has never been involved in sending orphaned elephants to zoos ("Take a walk on the wild side", August 18th).
News & Media
Expert writing Tips
Best practice
Use "on a side note" to introduce related, but non-essential, information without disrupting the flow of your main argument. Ensure the side note genuinely adds value.
Common error
Avoid using "on a side note" excessively, as it can make your writing seem disorganized or unfocused. If you find yourself using it frequently, consider whether the side notes should be integrated into the main text or omitted entirely.
Source & Trust
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on a side note" functions as a transitional phrase or discourse marker. It's used to introduce additional information that is related but not central to the main point. Ludwig AI shows that it correctly identifies it as a functional phrase.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "on a side note" serves as a transitional element, introducing supplementary information related to the main subject. Ludwig AI confirms its grammatical correctness, though its suitability can vary depending on the formality of the context. Alternatives such as "incidentally" or "as an aside" may be more appropriate for formal writing. Remember to avoid overuse to maintain clarity and focus. It’s best used when the side note adds value without disrupting the core message. Due to the limited information available, the phrase is considered to be missing from common usage.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as an aside
Highlights that the following information is a digression.
by the way
Indicates a shift to a slightly different topic, often casually.
incidentally
This single word is a more concise way to introduce something related but not central.
I might add
Introduces an additional piece of information or opinion.
parenthetically
Introduces information that could be placed in parentheses.
just a quick thought
Lightly introduces an additional idea.
in passing
Briefly mentioning something related.
on a tangent
Indicates a more significant departure from the main subject.
speaking of which
Connects the current topic to a previously mentioned one.
apropos of that
Formally links the current statement to the previous one.
FAQs
How can I effectively use "on a side note" in a sentence?
Use "on a side note" to introduce supplementary or tangential information that is related to the main topic but doesn't fit directly into the primary line of reasoning. It's best used when the extra information provides helpful context or an interesting diversion without derailing the overall message.
Are there more formal alternatives to "on a side note"?
Yes, in more formal writing, you might consider using phrases like "incidentally", "as an aside", or "parenthetically" to introduce related but not essential information.
When is it inappropriate to use "on a side note"?
Avoid using "on a side note" when the information you're adding is crucial to the main point or argument. It's also best not to use it in very formal contexts where a more direct and integrated approach would be expected.
What's the difference between "on a side note" and "by the way"?
"On a side note" is typically used to introduce information that's related to the current topic but not essential, whereas "by the way" often signals a complete change of subject, although it can also introduce a related thought. "On a side note" implies a closer connection to the main subject than "by the way".
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
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested