noun
1. the quality of unselfish concern for the welfare of others
• Syn: ↑altruism
• Hypernyms: ↑unselfishness
2. acting with less concern for yourself than for the success of the joint activity
• Syn: ↑self-sacrifice
• Derivationally related forms: ↑selfless
• Hypernyms: ↑cooperation
• Hyponyms: ↑abnegation, ↑self-abnegation, ↑denial, ↑self-denial, ↑self-renunciation
Useful english dictionary. 2012.