noun

altruism

altruism

She was known for her selfless altruism.

She was known for her selfless altruism.

His actions were motivated by pure altruism.

His actions were motivated by pure altruism.

((an act of)) altruism a selfless action His actions were an act of pure altruism.

Synonyms: selflessness, unselfishness; Antonyms: egoism, selfishness

From Latin 'alter' meaning 'other'. It's the opposite of 'egoism', which comes from 'ego' (I).

Break it down: 'alter' (other) + '-ism' (belief). It's the belief in helping 'others'.

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