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
customer
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "customer" is correct and usable in written English.
You can use it when referring to the person or the people who purchase products or services from a business. For example, "We appreciate all of our customers for their loyalty."
✓ Grammatically correct
News & Media
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
But once banks get a customer he's pretty much theirs for good.
News & Media
A successful sub-label in the Lauren empire, Polo peddles preppy classics to men but this was the first time the brand has created the equivalent wardrobe for its female customer.
News & Media
The customer said it had ruined Christmas.' Professor Richard Wiseman knows more about bad jokes than he'd like to.
News & Media
"Since its very first exhibition in 2007, Harma Gallery has known great recognition, overcome visitors' expectations and gained popularity and customer loyalty very rapidly.
News & Media
It's easily the most confident and coherent of this batch of pilots and, crucially, is killing it in customer response: it currently has an overall rating of 4.8 out of 5 stars.
News & Media
Or you are there at the point of sale, which makes you accountable to the customer.
News & Media
One driver was charged in San Francisco with assaulting a customer in June.
News & Media
Levels of customer service are still probably the worst of any European capital, but truly egregious rudeness and aggression are now the exception rather than the norm, as a whole generation of Muscovites who have travelled the world no longer find surly, Soviet-style service acceptable at home.
News & Media
To get a feel for how GPI differs from GDP, imagine two heating-oil trucks leaving from the same utility company: one safely completes its deliveries and the other has a major oil spill on the way to its first customer.
News & Media
We don't have a store presence so this editorial enables us to engage with the customer in a way that you might in-store".
News & Media
Gone are the days when all you needed was a winning smile, helpfulness and the ability to operate a low-tech till to satisfy customer needs.
News & Media
Expert writing Tips
Best practice
When focusing on customer satisfaction, use "customer" to emphasize the importance of meeting their needs and expectations.
Common error
While "customer" and "client" are often used interchangeably, avoid using "client" when referring to retail shoppers or casual buyers. "Client" is more appropriate for professional service relationships.
Source & Trust
97%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The word "customer" functions primarily as a noun, referring to an individual or entity that purchases goods or services. Ludwig confirms its correct usage in various contexts, as evidenced by the examples provided.
Frequent in
News & Media
40%
Formal & Business
30%
Science
15%
Less common in
Academia
5%
Encyclopedias
5%
Wiki
5%
Ludwig's WRAP-UP
The term "customer" is a common and grammatically sound noun used to describe an individual or entity that purchases goods or services. As indicated by Ludwig, its usage is correct and applicable across a range of contexts. Its register is generally neutral, fitting for both formal business communications and casual news reports. Frequent use cases appear in news, media and business contexts. For alternatives, consider "client", "patron", or "consumer" depending on the situation. Pay attention to the context to ensure appropriate usage. One useful tip is to use it when focusing on satisfaction, while common mistake is using it instead of client.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
client
A more formal term for someone who receives services, often in a professional context.
consumer
Emphasizes the act of using or purchasing goods and services for personal use.
patron
Suggests a more loyal or regular "customer", often associated with arts or charitable organizations.
buyer
Similar to purchaser, highlighting the transactional aspect.
purchaser
Focuses on the act of buying something.
shopper
Specifically refers to someone who visits stores or shops to browse and buy.
user
Implies someone who utilizes a product or service, not necessarily a direct purchaser.
end user
Someone who ultimately uses a product or service, often after it has passed through intermediaries.
account holder
Used in financial contexts to describe someone who has an account with a bank or other institution.
service recipient
A formal way of referring to someone who receives a service.
FAQs
What's the difference between "customer" and "client"?
"Customer" generally refers to someone who purchases goods or services from a business. "Client" often implies a more professional or ongoing relationship with a service provider.
What can I say instead of "customer"?
Is "customer" formal or informal?
"Customer" is generally considered a neutral term suitable for both formal and informal contexts. The level of formality depends more on the surrounding language and situation.
How do I ensure "customer" is used correctly in business writing?
Always use "customer" when referring to individuals who purchase products or services. Ensure your writing focuses on their needs, satisfaction, and overall experience with your business.
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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
97%
Authority and reliability
4.8/5
Expert rating
Real-world application tested