Breadcrumb Home > Dictionary > Index D detrimental: Meaning and Definition of Find definitions for: det•ri•men•tal Pronunciation: (de"tru-men'tl), [key] — adj. causing detriment; damaging; harmful. —n. a detrimental person or thing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: detrimental (Thesaurus) detriment detrition TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language