/ Dictionary / Index S sumptuary law: Meaning and Definition of Find definitions for: sump'tuary law' Pronunciation: [key] a law regulating personal habits that offend the moral or religious beliefs of the community. a law regulating personal expenditures designed to restrain extravagance, esp. in food and dress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sumptuary sumptuous Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language