/ Dictionary / Index M Malthus: Meaning and Definition of Find definitions for: Mal•thus Pronunciation: (mal'thus), [key] 1766–1834, English economist and clergyman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: malthus (Thesaurus) malthene Malthusian Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language