1. the quality of not putting yourself first but being willing to give your time or money or effort etc. for others (Freq. 1) - rural people show more devotion and unselfishness than do their urban cousins • Ant: selfishness • Derivationally related forms: unselfish • Hypernyms: generosity, generousness • Hyponyms: altruism, selflessness 2. acting generously • Syn: generosity • Derivationally related forms: unselfish, generous (for: generosity) • Hypernyms: sharing, share-out