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altruism

noun [U]
 
 
/ˈæl.tru.ɪ.zəm/

Definition

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
 
 
/-ɪst/ noun [C]
People having good qualities
(Definition of altruism noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of altruism