a person who buys a person with whom one has dealings
WordReference Random House Learner's Dictionary of American English © 2025
cus•tom•er /ˈkʌstəmɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- a person who purchases goods or services from another;
buyer:I was one of their most loyal customers. - Informal TermsInformal. a person one has dealings with:a tough customer.
cus•tom•er
(kus′tə mər),USA pronunciation n.
- a person who purchases goods or services from another;
buyer;
patron. - Informal Termsa person one has to deal with:a tough customer; a cool customer.
- Anglo-French; Old French costumier, cognate with Medieval Latin custumārius; see customary
- 1400–50; late Middle English; see custom, -er1; compare Middle English customer collector of customs
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