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
to supplement
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to supplement" is correct and usable in written English.
It is used to indicate that something is being used to provide additional information or support. For example, "We are using a variety of resources to supplement our lesson plan."
✓ Grammatically correct
News & Media
Academia
Formal & Business
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
To supplement his income, he sold horses.
Encyclopedias
This helps to supplement our tracking data.
News & Media
They were going to supplement.
News & Media
To supplement her income, Manie deals hashish.
News & Media
Her hope was to supplement Papi's salary.
News & Media
You had to supplement your income".
News & Media
-- to supplement their Screen Actors Guild pensions.
News & Media
The rest you have to supplement.
News & Media
(f)Requirement to supplement approved application.
Academia
Groups are intended to supplement individual therapy.
Academia
These are intended to supplement the text.
Academia
Expert writing Tips
Best practice
Pair this phrase with nouns like "income", "diet", "research" or "efforts" to indicate a secondary, supportive action.
Common error
Avoid using "to supplement" when the new item is intended to completely replace the original one. The phrase implies that the original remains, but is now better supported.
Source & Trust
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to supplement" primarily functions as an infinitive verb phrase. In many Ludwig examples, it acts as an adverbial of purpose, explaining the motivation behind an action, such as taking a job to increase financial stability.
Frequent in
News & Media
58%
Academia
27%
Formal & Business
15%
Less common in
Science
2%
Encyclopedias
2%
Social Media
1%
Ludwig's WRAP-UP
The phrase "to supplement" is a robust and versatile linguistic tool used to indicate the addition of support, resources or information to an existing base. Analysis from Ludwig reveals its high frequency in journalistic and academic settings, particularly when discussing financial income, dietary needs or research methodologies. It is grammatically classified as an infinitive phrase and is widely accepted as the standard way to describe filling a deficiency without replacing the original subject. Writers should distinguish it from "to complement", which focuses on completion rather than just addition. Overall, it is a key phrase for professional clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to add to
A more basic and general alternative for increasing quantity.
to augment
Focuses on increasing the size, value or strength of something.
to enhance
Emphasizes improving the quality or intensity of the original.
to top up
Common in British English, often used for finances or quantities.
to bolster
Implies adding support to make something stronger.
to complement
Used when the addition completes or perfectly matches the original part.
to reinforce
Specific to adding strength or validity to an existing structure or argument.
to eke out
Often used specifically with income to mean barely making ends meet through additions.
to amplify
Suggests making something more powerful or extensive.
to subsidize
A more formal term restricted mostly to financial aid and support.
FAQs
What can I say instead of "to supplement"?
You can use synonyms like "to augment" or "to add to" depending on whether you are increasing the value or just the quantity of the original object.
What is the difference between "to supplement" and "to complement"?
While "to complement" means to complete or improve something by being paired with it, "to supplement" focuses on adding more of something specifically to make up for a lack or deficiency.
How to use "to supplement" in a sentence?
Examples from Ludwig show it is often used as a purpose clause, such as: "He worked two jobs "to supplement his income"."
Can "to supplement" be used in academic writing?
Yes, it is very common in academic contexts. Researchers often use existing data "to supplement research" or provide additional context to their findings.
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
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested