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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
to add on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to add on" is correct and usable in written English.
It can be used when referring to including something additional or extra to an existing item or situation. Example: "If you want to enhance your presentation, you might consider to add on some visual aids."
✓ Grammatically correct
News & Media
Science
Wiki
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
60 human-written examples
"We haven't been able to add on," Wells said.
News & Media
"We were trying to add on," Manager Bobby Valentine said.
News & Media
"This is real quality, and there's room to add on".
News & Media
Knutsson has little to add on specific details, but acknowledges the ambition.
News & Media
Some insurers allow people to add on this cover for a small extra premium.
News & Media
The homeowner trying to add on may be even more grateful for the new loan.
News & Media
But Churchwell has interesting details to add on all these subjects.
News & Media
Throughout the city, homeowners are choosing to add on, build up and build out.
News & Media
If you have any suggestions to add on, do let me know.
News & Media
So engineers have had to add on one patch after another.
News & Media
No further to add on that one.
News & Media
Expert writing Tips
Best practice
When using "to add on", ensure the context clearly indicates that something is being attached or supplemented to an existing item or situation. For instance, "They decided to add on a new wing to the house".
Common error
Avoid using "add on" when a simpler verb like "add" or "include" is more appropriate. Overusing "add on" can make your writing sound unnecessarily verbose. Instead of saying "Please add on your name to the list", say "Please add your name to the list".
Source & Trust
78%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to add on" functions primarily as a phrasal verb, indicating the action of supplementing or attaching something extra to an existing entity. According to Ludwig, this usage is considered grammatically correct. Examples show it in contexts of both physical additions and conceptual enhancements.
Frequent in
News & Media
45%
Wiki
28%
Science
15%
Less common in
Formal & Business
7%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrasal verb "to add on" is a grammatically correct and very common expression used to indicate the supplementation or attachment of something extra to an existing entity. As verified by Ludwig, its usage spans various contexts, from news and media to more informal settings like wikis. While it's generally considered neutral in register, it's important to remember that simpler alternatives like "add" might be more appropriate in certain situations to avoid unnecessary verbosity. When used correctly, "to add on" effectively conveys the idea of increment and enhancement.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to include
Means to contain something as part of a whole.
to supplement
Implies providing something additional to enhance or complete the existing thing.
to append
Suggests attaching something to the end of something else.
to build upon
Suggests using something as a foundation to create something more complex.
to augment
Means to increase or enhance something.
to attach
Refers to fastening or joining something to something else.
to affix
Similar to 'attach', but often implies a more formal or permanent connection.
to tack on
Implies adding something quickly or carelessly.
to contribute
Implies giving or adding something to a common supply or effort.
to superimpose
Suggests placing one thing on top of another, so that both are still apparent.
FAQs
How can I use "to add on" in a sentence?
What are some alternatives to "to add on"?
Alternatives include "to supplement", "to include", "to append", or "to attach", depending on the context.
Is it correct to use "add on" as a single word?
"Add-on" (with a hyphen) is commonly used as a noun or adjective (e.g., "an add-on feature"). However, "add on" (two words) is used as a verb phrase, as in ""to add on" extra features".
What's the difference between "to add" and "to add on"?
"To add" generally means to combine or include something. "To add on" specifically implies attaching or supplementing something extra to an existing base or structure. The difference is the idea of something being appended.
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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
78%
Authority and reliability
4.6/5
Expert rating
Real-world application tested