customer

noun

cus·​tom·​er ˈkə-stə-mər 

1

: one that purchases a commodity or service

The customer used a credit card for the purchase.

2

: 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

Synonyms

• account
• client
• guest
• patron
• punter [chiefly British]

Examples of customer in a Sentence

She is one of our best customers.

She's a pretty cool customer.

Recent Examples on the Web

Peugeot, Fiat Opel and Vauxhall are fighting over the same customers. —Neil Winton, Forbes.com, 4 May 2025

This changed with a video Amazon posted on social media Friday, giving space enthusiasts and prospective Kuiper customers their first look at the real satellites. —Stephen Clark, ArsTechnica, 3 May 2025

These tend to be free and can greatly increase your incoming clients or customers. —Jason Hennessey, Rolling Stone, 2 May 2025

The demand in the little people community was apparent, Kate said, noting a handful of preorders and nearly 80 prospective customers that have contacted them with an interest in buying. —Ryan Fonseca, Los Angeles Times, 2 May 2025

Word History

Etymology

Middle English custumer, from custume — see custom entry 1

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing customer

• cool customer
• customer base
• paying customer
• regular customer

Kids Definition

customer

noun

cus·​tom·​er ˈkəs-tə-mər 

1

: one that buys a product or service

2

: individual entry 2 sense 2, fellow

he's a real tough customer

Legal Definition

customer

noun

cus·​to·​mer

1

: a person or business that purchases a commodity or service

2

a

: a person or entity having an account with a bank or on whose behalf the bank has agreed to collect items

b

: a person or entity for whom an issuer issues a letter of credit