corruption
US /kəˈrʌp.ʃən/
UK /kəˈrʌp.ʃən/

1.
dishonest or fraudulent conduct by those in power, typically involving bribery.
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The government launched an investigation into widespread corruption.
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He was accused of corruption and abuse of power.
2.
the process by which something is changed from its original or a pure state into something debased or impure.
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The corruption of the data made it unusable.
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The corruption of the text made it difficult to read.