Alternative spelling of long-term

(ethics, philosophy) An ethical stance which gives priority to improving the long-term future, as an aspect of effective altruism; its core assertion is that the interests of people of the distant future not only should be considered today but also might outweigh many other considerations, given the potential number of those people and the possibly compounded effects of today's actions on their quality of life.

Alternative spelling of long-termly

(ethics, philosophy) A believer or follower of longtermism ("an ethical stance which gives priority to improving the long-term future").

plural of longtermist