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
complements of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "complements of" is correct and usable in written English.
It is typically used to indicate that something is provided or given by someone, often in a formal or polite context. Example: "The dinner was a delightful experience, with the wine being a generous complement of the host."
✓ Grammatically correct
News & Media
Science
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
For the most adventuresome, Baan Klang Nam offers full complements of chilies.
News & Media
But these are merely complements of something Annie sees in Cleo.
News & Media
The bank's 100-or-so profficesl offices have full complements of bored and underworked employees.
News & Media
Friedrich seems unable to conceive of women except as complements of maleness, when not of actual men.
News & Media
They found that the complements of skin bacteria grew more similar, blurring the distinctions between the teams.
News & Media
With predictable complements of heartsick teenagers, busybody servants and oppressive guardians, they could easily fall into rote.
News & Media
Its drug molecules are also strands of RNA, but they are the chemical complements of the disease-causing messenger strands.
News & Media
Models as complements of theories.
Science
The complements of such functions are computable too.
Science
We establish some complements of Cauchy's inequality on time scales.
Well today, Honeycomb is getting a very nice addition its app catalog, complements of Ustream.
News & Media
Expert writing Tips
Best practice
Use "complements of" to formally acknowledge the source or provider of something, such as in event programs or publications.
Common error
Avoid confusing "complements of" with "compliments of". The former indicates that something is provided by someone, while the latter means expressions of praise or admiration.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "complements of" functions as a prepositional phrase. It introduces information about the origin or source of something, akin to indicating provision or contribution as Ludwig's examples show.
Frequent in
Science
41%
News & Media
33%
Formal & Business
13%
Less common in
Encyclopedias
5%
Reference
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "complements of" is a prepositional phrase used to formally acknowledge the source or provider of something. As Ludwig AI confirms, the phrase is grammatically correct and frequently used across a range of sources, particularly in scientific, news, and business contexts. While alternatives like ""courtesy of"" or "provided by" exist, "complements of" offers a distinct tone of formality and appreciation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
supplements of
Focuses more on adding something extra to complete a set or need.
contributes of
Emphasizes the action of giving or providing something to a larger whole.
augments of
Highlights the increase or enhancement provided to something else.
enhancements of
Implies improvements or additions that make something better.
additions of
Directly refers to the act of adding something more.
extras of
Suggests supplementary items provided along with the main offering.
accessories of
Refers to items that enhance or complement the main product or service.
appendages of
Indicates items attached or added to something else, often structurally.
adjuncts of
Describes something added but not essential.
completes of
Highlights the act of making something whole or finished.
FAQs
How can I use "complements of" in a sentence?
Use "complements of" to indicate who or what is providing something, such as "The refreshments are "courtesy of" the event sponsors."
What does "complements of" mean?
The phrase "complements of" is used to acknowledge the source or provider of something, similar to saying "provided by" or "thanks to".
Is it correct to use "compliments of" instead of "complements of"?
No, "compliments of" would be incorrect. "Complements of" indicates provision, while "compliments" refers to praise or "admiration". They are not interchangeable.
What are some alternatives to "complements of"?
Alternatives include ""courtesy of"", "provided by", or "thanks to", depending on the specific context and level of formality you want to convey.
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