(n.) Regard for others, both natural and moral; devotion to the interests of others; brotherly kindness; -- opposed to egoism or selfishness.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). altruism. Retrieved September 27, 2026, from http://smartdefine.org/altruism/definitions/1972821 |
| Chicago | Webster's. 2011. "altruism" http://smartdefine.org/altruism/definitions/1972821 (accessed September 27, 2026). |
| Harvard | Webster's 2011, altruism, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/altruism/definitions/1972821>. |
| MLA | Webster's. "altruism" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/altruism/definitions/1972821> |