Altruistic (9)
(Other definitions for unselfish that I've seen before include "He's sinful, being altruistic" , "Considerate of the needs of others, altruistic" , "showing concern for others" , "Altruistic, not concerned with own interests" , "concerned for others?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">altruistic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for selfless that I've seen before include "Altruistic" , "Generous" , "Considerate" .)