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English definition of “altruism”

altruism

noun [U] uk   /ˈæl.tru.ɪ.zəm/ us  
willingness to do things that bring advantages to others, even if it results in disadvantage for yourself: She's not known for her altruism.Virtue and moral good
altruist
noun [C] uk   /-ɪst/ us  
People having good qualities
(Definition of altruism from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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