How to pronounce altruistic

a : having or showing an unselfish concern for the welfare of others altruistic acts/motives a generous and altruistic person Yet many of the most important institutions in our society—the fine arts, NGOs, humanitarian charities—depend on the generosity of wealthy citizens with altruistic impulses.—

Altruism is when we act to promote someone else’s welfare, even at a risk or cost to ourselves. Evolutionary scientists speculate that altruism has such deep roots in human nature because helping and cooperation promote the survival of our species.