attrition definition, meaning - what is attrition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “attrition”

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attrition

noun [U] uk   us   /əˈtrɪʃ.ən/
formal gradually making something weaker and destroying it, especially the strength or confidence of an enemy by repeatedly attacking it: Terrorist groups and the government have been engaged in a costly war of attrition since 2008. US (UK natural wastage) business a reduction in the number of people who work for an organization that is achieved by not replacing those people who leave US (UK wastage) the people who leave an educational or training course before it has finished: The high attrition rates on the degree programs are a cause for concern.
(Definition of attrition from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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