Antonyms of noun selfishness

1 sense of selfishness

Sense 1
selfishness -- (stinginess resulting from a concern for your own welfare and a disregard of others)
       Antonym of unselfishness (Sense 1)
      => unselfishness -- (the quality of not putting yourself first but being willing to give your time or money or effort etc. for others; "rural people show more devotion and unselfishness than do their urban cousins")

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

1 sense of selfishness

Sense 1
selfishness -- (stinginess resulting from a concern for your own welfare and a disregard of others)
       => stinginess -- (a lack of generosity; a general unwillingness to part with money)