English Reference

Word

client

US/ˈkɫaɪənt/

UK/klˈaɪənt/

Definitions

01professional service user

B1

n. a person or organization that pays for services from a professional, like a lawyer, accountant, or architect.

n. a person or entity that engages the professional advice or services of another. Often implies a long-term or formal relationship compared to a 'customer'.

“The lawyer met with her client to discuss the new contract details.”

“The architectural firm prides itself on maintaining transparent communication with every client throughout the design and construction phases.”

Pitfall

The shop has many clients every morning.

The shop has many customers every morning.

Use 'customer' for people buying goods in a shop; use 'client' for people paying for professional services or advice.

Teaching tip

In business English, 'client' suggests a more personalized, ongoing relationship than 'customer', which is more transactional.

Antonyms

02computing

B2 · Computing

n. a computer or a program that gets information from a central server.

n. a computer system or software application that requests and consumes services provided by a server.

“You need to install the email client on your new laptop to see your messages.”

“The thin-client architecture allows users to access powerful applications hosted on a central server without needing high-end local hardware.”

Technical

Usage

Often used in the phrase 'client-server model'.

Antonyms

03ancient Rome

C2

n. in ancient Rome, a person who was protected by a powerful leader in exchange for support.

n. a plebeian who lived under the protection of a patrician patron in ancient Rome.

“The powerful Roman senator was followed by a large group of clients.”

“The social fabric of the Republic relied heavily on the reciprocal duties between the patron and his clients.”

Archaic

Teaching tip

This sense is strictly for historical contexts and is the origin of the modern word.

Antonyms

Confusables

client vs customer

A customer pays for goods or one-off services, while a client pays for ongoing professional expertise and advice.

RememberCustomer = Commodities. Client = Counsel.

Etymology

From Middle English client, from Anglo-Norman clyent, Old French client, from Latin cliēns, akin to clinare (“to lean”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

BusinessComputingLaw

This entry

Level
B1 · Intermediate
Frequency
Common
Updated

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English Reference