Englishfor English speakers
performance
Noun
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A performance is a show of acting or music.
We went to see a performance by local musicians last night.
The acting was good, but the noise made it difficult to enjoy the performance.
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The performance of a person, machine, company, etc. is how well it does its job.
After a year of losing money, the company needs to improve performance.
This car is a high performance vehicle.
counter
Noun
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A counter is a flat surface to work on, often in a kitchen.
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A counter is a small coin-shaped object, often used in games.
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A counter is someone who counts.
counter
Preposition
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If mathx/math is counter to mathy/math, it is against mathy/math.