Antonyms of noun egoism

1 of 2 senses of egoism

Sense 2
egoism, egocentrism, self-interest, self-concern, self-centeredness -- (concern for your own interests and welfare)
       Antonym of altruism (Sense 1)
      => altruism, selflessness -- (the quality of unselfish concern for the welfare of others)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun egoism

2 senses of egoism

Sense 1
egoism -- ((ethics) the theory that the pursuit of your own welfare in the basis of morality)
       => theory -- (a belief that can guide behavior; "the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales")

Sense 2
egoism, egocentrism, self-interest, self-concern, self-centeredness -- (concern for your own interests and welfare)
       => trait -- (a distinguishing feature of your personal nature)