operator Meaning in Cambridge American English Dictionary
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Meaning of "operator" - American English Dictionary

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operatornoun [C]

 us   /ˈɑp·əˌreɪt̬·ər/
a person who makes something work or puts something into action: a computer/machine operator An operator is also a person who works on a telephone switchboard : Dial or press zero for the operator. usually disapproving An operator is a person who is often successful but seems too intelligent or speaks and acts too quickly and may not always be honest: He’s a smooth operator.
(Definition of operator from the Cambridge Academic Content Dictionary © Cambridge University Press)
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