<p><strong>Adjective</strong></p><ul><li>unselfishly concerned for or devoted to the welfare of others (egoistic).</li></ul><p><strong>Synonyms</strong></p><ul><li>unselfish</li><li>benevolent</li><li>philanthropic</li><li>generous</li><li>charitable</li></ul><p><strong>Antonyms</strong></p><ul><li>mean</li><li>selfish</li><li>self-centered</li></ul><p><strong>Animal Behavior</strong></p><ul><li>of or relating to behavior by an animal that may be to its disadvantage but that benefits others of its kind, often its close relatives.</li></ul>