/ Dictionary / Index S sulfureous: Meaning and Definition of Find definitions for: sul•fu•re•ous Pronunciation: (sul-fyoor'ē-us), [key] — adj. consisting of, containing, or pertaining to sulfur. like sulfur, esp. in color. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sulfur dye sulfuret Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language