/ Dictionary / Index S sumptuary: Meaning and Definition of Find definitions for: sump•tu•ary Pronunciation: (sump'ch-er"ē), [key] — adj. pertaining to, dealing with, or regulating expense or expenditure. intended to regulate personal habits on moral or religious grounds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sumptuary (Thesaurus) sumpter sumptuary law Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language