cus·​tom·​er ˈkə-stə-mər How to pronounce customer (audio)
: one that purchases a commodity or service
The customer used a credit card for the purchase.
: an individual usually having some specified distinctive trait
a real tough customer
… let me give you the advice of an old and world-weary customer.Flannery O'Connor

Examples of customer in a Sentence

She is one of our best customers. She's a pretty cool customer.
Recent Examples on the Web The airline is also rewarding customers this summer by selecting one lucky main cabin passenger every day through Sept. 2 and offering them a complimentary upgrade to premium class. Alison Fox, Travel + Leisure, 11 July 2024 Beyond assuaging potential customers and business partners, verifying compliance is a must to meet an increasingly stringent regulatory environment. Sj Studio, Sourcing Journal, 11 July 2024 Revenue from international travel has been strong since the pandemic waned, though airlines have expanded schedules, meaning more competition for customers. Leslie Josephs, CNBC, 11 July 2024 More than 980,000 of Harris County's 2.1 million customers were without power at 4 p.m. Wednesday, the company's online tracker showed. Patrick Smith, NBC News, 11 July 2024 See all Example Sentences for customer 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'customer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Middle English custumer, from custume — see custom entry 1

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of customer was in the 15th century

Dictionary Entries Near customer

Cite this Entry

“Customer.” Dictionary, Merriam-Webster, Accessed 17 Jul. 2024.

Kids Definition


cus·​tom·​er ˈkəs-tə-mər How to pronounce customer (audio)
: one that buys a product or service
: individual entry 2 sense 2, fellow
he's a real tough customer

Legal Definition


: a person or business that purchases a commodity or service
: a person or entity having an account with a bank or on whose behalf the bank has agreed to collect items
: a person or entity for whom an issuer issues a letter of credit

More from Merriam-Webster on customer

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