Malthusianism malthusianism • malthusian theory · · · Info · Definitions · Characters · · Malthusianism · · Text Latin · · Script 13 · · Length 6 · · Syllables Definitions · · · (noun) Malthus' theory that population increase would outpace increases in the means of subsistence. Synonyms: Malthusian theory. · · Noun Definition 1 Characters · · M latin capital letter m U+004D a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075