Neo-Malthusian \Ne`o-Mal*thu"sian\, a. Designating, or pertaining to, a group of modern economists who hold to the Malthusianism doctrine that permanent betterment of the general standard of living is impossible without decrease of competition by limitation of the number of births. -- {Ne`o-Mal*thu"sian}, {Ne`o-Mal*thu"sian*ism}, n.