plural customers
1
: someone who buys goods or services from a business
She is one of our best/regular customers.
Remember, the customer is always right. [=never argue with a customer]
—often used before another nounThe company has good/poor customer service.
customer satisfaction
2
informal
: a person who has a particular quality
He is one tough/tricky customer. [=he is a tough/tricky person]
She's a pretty cool customer.
Cite this Entry
“Customer.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/customer. Accessed 17 Apr. 2026.
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