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English definition of “performance”

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performance

noun uk   /pəˈfɔː.məns/ us    /pɚˈfɔːr-/

performance noun (ACTIVITY)

B2 [C or U] how well a person, machine, etc. does a piece of work or an activity: Some athletes take drugs to improve their performance. High-performance cars (= those that are fast, powerful, and easy to control) are the most expensive. This was a very impressive performance by the young player, who scored 14 points within the first ten minutes.
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performance noun (ENTERTAINMENT)

B1 [C] the action of entertaining other people by dancing, singing, acting, or playing music: a performance of Arthur Miller's play "The Crucible" She gave a superb performance as Lady Macbeth.a performance mainly UK informal an action or type of behaviour that involves a lot of attention to detail or to small matters that are not important: Cleaning the oven is such a performance. What a performance! Please stop shouting!a repeat performance an occasion when an event or a situation happens again: The police hope to avoid a repeat performance of last year, when the festivities turned into rioting.
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(Definition of performance from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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