Breadcrumb Home > Dictionary > Index S Cite sulphurous: Meaning and Definition of Find definitions for: sul•phur•ous Pronunciation: (sul'fur-us, sul-fyoor'us), [key] ? adj. sulfurous (defs. 1, 2). pertaining to the fires of hell; hellish or satanic. fiery or heated. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: sulphurous (Thesaurus) sulphurise Sulphur Springs TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress The Women's March on Versailles Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: oleaginous Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language